The School of Doza Podcast

NURSE DOZA
  • 4.8 (88)
  • Health & Fitness
  • Updated Weekly

Nurse Doza’s Podcast comes to life in a very interactive way. Sure you can listen to the podcast, but this is just the beginning of your education in health. Every week, Nurse Doza dives into new health subjects and encourages you to submit your questions to be answered on the podcast, newsletter, YouTube, LinkedIn, and every other way that you like to take in educational media.

  1. 3h ago

    Strong Over Skinny: Why Muscle Matters More After 40

    Muscle after 40 is the thing women are told to ignore, and it is the one that changes everything. Nurse Doza breaks down why skeletal muscle is an organ, how it makes its own estrogen, why insulin resistance shows up in muscle first, and how much protein menopause actually calls for. Plus the amino acid most women have never been told about. Featured Product Liver Boost (Detox) by MSW Nutrition — a comprehensive formula designed to support phase I and phase II liver detoxification of environmental toxins.* Estrogen doesn't simply disappear once it has done its job: it gets conjugated in the liver and cleared through bile. This episode is about the estrogen your muscles make, and the liver is the organ standing at the end of that pathway — the same organ Nurse Doza points back to when he talks about glycogen, fatty liver, and hormones in your forties. October only: buy 2, get 1 free — 3 bottles for $222, a six-month supply. No code needed; the discount applies at checkout. 👉 Get Liver Boost here: https://liverboost.mswnutrition.com Also mentioned in this episode — Gut (Digestive Health), the L-glutamine powder Nurse Doza takes at 8 grams each morning, 4 grams per scoop, nothing else added. 👉 Get Gut here: https://mswnutrition.com/products/gut These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Join the School of Doza If this episode named something you have been living with — aches that got written off as aging, a scale that will not move no matter how little you eat, hormone advice that contradicts itself every time you ask — the School is where those questions get answered directly instead of in a comment thread. Every Wednesday at 1pm Central there is a live Ask Me Anything that runs like a group consult. Labs, nutrition, supplements, what is actually going on in your body. You bring the question, Nurse Doza answers it in the room. These are live sessions, not recordings — you have to be there. The Liver Course is running right now, class plus Q&A every Tuesday, wrapping October 13 with Building Your Liver Protocol. September 29 is The Gut Liver Loop, which connects straight to the gut and muscle conversation in this episode. Your first 7 days are free, so you can sit in on an AMA or a class and decide for yourself. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 Key Takeaways Your muscles are an organ, not just tissue. Skeletal muscle is a collection of muscle, connective, nervous and vascular tissue working together, and it releases signaling molecules of its own. Treating it as decoration misses what it actually does for posture, structure, and metabolism. Skeletal muscle makes its own estrogen. Beyond the ovaries, muscle carries the enzymes to produce what researchers call myogenic estrogen. Exercise appears to support that local production, which in turn supports muscle mass, function, metabolism, and repair — a loop that matters most for women after menopause. Menopause raises the protein bar. The general recommendation is 1.0 to 1.2 grams of protein per kilogram of body weight per day. At 150 pounds that is roughly 68 to 81 grams daily, which is four to five eggs in the morning and something comparable at every other meal. Insulin resistance shows up in muscle first. Skeletal muscle is where most insulin-driven glucose uptake happens, so it is also where impaired glucose handling appears earliest — often years before anything shows on a routine panel. As estrogen falls, insulin sensitivity tends to fall with it, which is part of why weight becomes harder to manage in the forties. Toning versus bulking is a programming decision. Moderate weight, 8 to 12 reps, 2 to 3 sets, bodyweight and banded work mixed in — that builds strength and shape without the volume and intensity that drive maximum size. Bulk is something you train for on purpose, not something that happens by accident. Timestamps 00:00 START – Welcome and episode overview 01:45 – What is happening inside the School of Doza 03:00 – #1: Your muscles are an organ, not just tissue 04:39 – #2: Your muscles need estrogen 05:20 – Myogenic estrogen: made in skeletal muscle 07:01 – Atrophy, aches, and estrogen receptors 08:10 – Protein in menopause: the actual number 08:50 – The protein math: 68 to 81 grams a day 11:16 – When protein is simply too much food 13:40 – L-glutamine, and four grams per scoop 14:35 – #3: Insulin, the most anabolic hormone you make 15:48 – Estrogen, insulin, and the ovaries 18:12 – Glycogen, fatty liver, and fatty muscle 20:33 – #4: You will not bulk up unless you want to 25:18 – #5: Testosterone is not always the answer Resources Why are muscles considered organs — WellBX: https://wellbx.com/why-are-muscles-considered-organs-a-deep-dive-into-their-complex-anatomy Myogenic estrogen and skeletal muscle — J Endocrinol Invest, 2025: https://link.springer.com/article/10.1007/s40618-025-02726-x Menopause and metabolism — Oura: https://ouraring.com/blog/menopause-and-metabolism/ Skeletal muscle insulin resistance — PMC: https://pmc.ncbi.nlm.nih.gov/articles/PMC2811436/ How to lift without bulking — Simply Strong: https://www.simplystrongapp.com/blog/how-to-lift-without-bulking Low testosterone in women — Cleveland Clinic: https://my.clevelandclinic.org/health/diseases/24897-low-testosterone-in-women Hume Health body composition (Things We Love, code NURSEDOZA): https://schoolofdoza.com/recommendations Liver Boost by MSW Nutrition: https://liverboost.mswnutrition.com Gut by MSW Nutrition — L-Glutamine: https://mswnutrition.com/products/gut 🔗 Connect with Nurse Doza JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

  2. 4d ago

    The Hume Band: Tracking Sleep, HRV, Oxygen & Visceral Fat at Home

    In this Wellness Tech Series episode, Nurse Doza breaks down the Hume Band and why daily health data changes how he makes decisions. He walks through the metrics he checks every morning — sleep depth and wake-ups, heart rate variability as a window into stress and recovery, pulse oximetry day and night, body temperature, and steps — then explains how the Hume Pod adds body fat, skeletal muscle mass, and visceral fat. Labs are a snapshot; this is the daily trend line underneath them.   ---   ## Featured Partner: Hume Health   **Hume Health** makes at-home health tracking gadgets — the Hume Band (wrist wearable) and the Hume Pod (smart body composition scale) — paired with a free app and a 10-year warranty.   - **Storefront:** https://humehealth.com - **Discount code:** `NURSEDOZA` - **Offer:** 20% off *Note: a wearable is a trend-tracking tool, not a diagnostic device. Metrics like overnight oxygen saturation are worth discussing with a licensed provider if the pattern looks unusual — they do not replace a sleep study or clinical evaluation.*   ---   ## School of Doza   Want help turning your own health data into decisions? **School of Doza** is a health-education community with live group consults every **Wednesday at 1 PM Central**, plus courses and protocols you can actually follow.   **Start your free trial:** https://www.schoolofdoza.com   ---   ## 5 Key Takeaways   1. **Labs are a snapshot; wearables are the trend line.** A panel drawn twice a year can't tell you what last night did to your recovery. Daily metrics fill in the space between blood draws. 2. **Sleep isn't one number.** Total hours matter, but so do depth, light sleep, and how many times you were awake. Seeing the breakdown each morning is what makes the adjustment obvious. 3. **HRV reads both sides of the day.** Overnight HRV reflects recovery; daytime HRV reflects the stress load you're carrying right now. Watching both separately is more useful than either alone. 4. **Pulse ox is the quietly important one.** Continuous oxygen saturation — especially overnight — is a pattern worth bringing to your provider if you snore or wake up unrefreshed. Screening data is a conversation starter, not a diagnosis. 5. **The Pod covers what the band can't.** Body fat percentage, skeletal muscle mass, and visceral fat round out the metabolic picture. Visceral fat in particular is the depot most consistently associated with insulin resistance and fatty liver in the research. ---   ## Peer-Reviewed References   1. *Impact of objectively-measured sleep duration on cardiometabolic health: A systematic review of recent evidence.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC9806213/ 2. *Stress and Heart Rate Variability: A Meta-Analysis and Review of the Literature.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC5900369/ (PubMed: https://pubmed.ncbi.nlm.nih.gov/29486547/) 3. *Overnight pulse oximetry for obstructive sleep apnea.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC6259496/ 4. *Using wearable skin temperature data to advance tracking and characterization of the menstrual cycle in a real-world setting.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC11294004/ 5. *The role of adipose tissue dysfunction in hepatic insulin resistance and T2D.* PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC11378142/ (PubMed: https://pubmed.ncbi.nlm.nih.gov/38967989/) *Citations were located via PubMed/PMC search and are listed by title and PMC ID. PMC blocks automated page fetches, so individual author lines were not machine-verified and are deliberately omitted rather than guessed.*   ---   ## Connect with Nurse Doza   - Website: https://www.schoolofdoza.com - Supplements: https://mswnutrition.com - Recommendations & partner codes: https://www.schoolofdoza.com/recommendations - YouTube / Instagram / TikTok / X / LinkedIn: @nursedoza

  3. Sep 28

    MTHFR and Your Liver: The Connection Nobody Explains

    Most people handed an MTHFR result never get it explained. This episode connects MTHFR and liver function — why so much of that gene's work happens in the liver, what methylation actually means in plain language, and how the pathway ties into glutathione, detoxification, and mood. Nurse Doza also covers why methylfolate alone is rarely the whole picture, and what's worth discussing with your own provider. Education, not a protocol. Featured Product The MTHFR Stack — Bliss + Boost + Liver Boost Three formulas built around the same pathway this episode is about. Bliss is a sublingual shot with SAMe and TMG (trimethylglycine) — it supports biochemical reactions that require methyl groups and supports neurotransmitter synthesis and healthy mood. Boost is a morning stick pack built on methylcobalamin — B12 already in its methylated, active form — alongside methylated B vitamins, electrolytes, and antioxidant nutrients (heads up: it contains caffeine, roughly 95 mg). Liver Boost is the capsule piece, formulated to support phase I and phase II liver detoxification. The rhythm is simple: Boost in the morning, Bliss whenever it fits your day, Liver Boost with a meal. 👉 Get The MTHFR Stack here: https://mswnutrition.com/products/mthfr-stack If you take medication, run any new supplement by your provider first. Join the School of Doza If you walked out of an appointment holding a genetic result and no explanation, that's exactly the gap the School of Doza was built to close. Every Wednesday at 1pm Central we run a live Ask Me Anything — a group consult where you bring your labs, your questions, and whatever's actually going on with you, and Nurse Doza answers directly. It's live only, so you're getting a real conversation, not a recording. We're in the middle of The Liver Course right now — live class plus Q&A every Tuesday at 5:30pm Central. October 6 is the MTHFR and the Liver class, which goes deeper than this episode with diagrams, handouts, and live questions. October 13 closes the series with Building Your Liver Protocol. Your first 7 days are free, so you can sit in on a class and an AMA before you decide anything. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 Key Takeaways MTHFR isn't abstract — a lot of its work happens in your liver. The gene is expressed throughout the body, but the liver is where a large share of methylation activity plays out, which is why a variant shows up as a liver-support question and not just a vitamin question. Methylation is a cycle, not a single step. Folate gets converted to its active form, that feeds the methionine–SAMe cycle, homocysteine gets cleared down the transsulfuration pathway into cysteine, and cysteine is the rate-limiting input for glutathione. Slow the cycle down anywhere and everything downstream feels it. Glutathione is the connection point. It's one of the most abundant antioxidants the body makes, it's produced largely in the liver, and it's central to phase II detoxification — which is the same phase where methylation lives. Folate status and mood are genuinely linked. Folate deficiency is documented as a risk factor for major depressive disorder and for poorer response to antidepressants, and L-methylfolate has research behind it as a supportive option. Variants in MTHFR can reduce how well someone converts dietary folate and folic acid to the active form. Methylfolate alone often isn't the whole picture. The research on SAMe and betaine (TMG) points to the rest of the cycle mattering too — betaine supplementation lowers serum homocysteine, and SAMe plus betaine has been studied as an add-on with more effect than SAMe alone. Timestamps 00:00 START – Welcome and episode overview 02:08 – Who this episode is for, plus the Liver Course dates 04:27 – Why he started ordering MTHFR on everyone, including himself 06:27 – The gene is everywhere in the body, but concentrated in the liver 08:51 – How common variants are, and what epigenetics actually means 11:16 – Folic acid vs folate, and everything else the gene does 13:34 – The homocysteine and glutathione pathway 16:20 – The mood connection: folate, serotonin, and the gut 18:46 – What a clinic rotation taught him about prescribing B9 21:06 – Where serotonin is made, and where folate is stored 23:24 – Third: the pathway needs daily vitamins and supplements 25:50 – SAMe, methionine, and betaine (TMG) 29:11 – Fourth: what changes, and how to measure it 31:32 – Phase I and phase II detox, and the full methylation stack 33:49 – What to check, and closing Resources DNA Methylation in Liver Disease (Int J Mol Sci) — https://pmc.ncbi.nlm.nih.gov/articles/PMC7662478/ MTHFR Polymorphisms, Homocysteine and Disease Risk (Genes) — https://pmc.ncbi.nlm.nih.gov/articles/PMC12027316/ Glutathione Overview (ScienceDirect Topics) — https://www.sciencedirect.com/topics/medicine-and-dentistry/glutathione Glutathione Conjugation and Detoxification (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC2696075/ L-Methylfolate and Depressive Symptoms (Neurology) — https://www.neurology.org/doi/10.1212/WNL.92.15_supplement.P3.9-057 Folate, MTHFR and Depression (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC4750636/ SAMe Plus Betaine as Add-On Therapy (PMC) — https://pmc.ncbi.nlm.nih.gov/articles/PMC4303396/ Betaine Supplementation and Serum Homocysteine (Nutrition Research) — https://www.sciencedirect.com/science/article/abs/pii/S0271531724000691 Betaine, B12, Choline, Glutathione and Diabetes Parameters (PubMed) — https://pubmed.ncbi.nlm.nih.gov/39442756/ Connect 🔗 Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

  4. Sep 24

    What the SONA Vagus Nerve Earpiece Actually Does?

    In this Wellness Tech Series episode, Nurse Doza breaks down SONA — an AI-powered earpiece that delivers gentle vagus nerve stimulation at the cymba concha, the one spot in the outer ear where a branch of the vagus nerve reaches the surface. He explains how the paired app reads heart rate variability in real time, why HRV is a window into stress and recovery, and how short guided breath and audio sessions are designed to fit a schedule with no room for a long meditation. FEATURED PARTNER SONA is an AI-powered wearable vagus nerve stimulator. It sits on the ear and delivers low-level, non-invasive electrical stimulation at the cymba concha — the auricular branch of the vagus nerve — while the companion app tracks heart rate variability so users can watch their own trend across a session. Guided breath work and audio pairings are built in, the app has no monthly subscription, and the device ships with a 30-day money-back guarantee and a 1-year warranty. It's the tool Nurse Doza reaches for when the problem isn't knowing how to relax — it's having ten minutes and a way to tell whether anything actually happened. 👉 Get SONA (15% off with code NURSEDOZA): https://sona.pxf.io/k41Dxx SONA is a consumer wellness device, not a medical device, and nothing here is medical advice. If you are pregnant, have a pacemaker or other implanted electrical device, a heart-rhythm condition, or a history of seizures, talk with your provider before using any form of nerve stimulation. This page contains affiliate links. JOIN THE SCHOOL Nervous system work is a lot easier when you're not guessing on your own. Inside the School of Doza, members compare notes on the tools that actually earn a place in a daily routine — sleep, stress, recovery, labs — and every Wednesday at 1 PM Central there's a live group consult where you can bring your specific questions. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 KEY TAKEAWAYS Chronic stress is a physiology problem, not a willpower problem. The stress response was built for short bursts. When it never gets a chance to downshift, telling yourself to calm down doesn't move the system — the input has to reach the nervous system itself. The vagus nerve is reachable through the ear. A branch of the vagus nerve surfaces at the cymba concha in the outer ear, which is why transcutaneous auricular vagus nerve stimulation is delivered there. It's the anatomical reason an earpiece can engage this pathway without anything invasive. HRV is a trend to watch, not a verdict. Heart rate variability reflects how flexibly the body shifts between stress and recovery. A single reading says very little; the useful signal is the pattern over days and weeks, which is what makes in-app feedback worth having. Feedback is what makes a practice stick. Breath work, meditation, and yoga all support the same system. Pairing them with a real-time measurement turns "I think that helped" into something a person can actually track — and track-ability is what keeps a routine alive. Consistency beats session length. Short daily sessions that survive a real calendar compound the way training does. Follow the manufacturer's recommended session guidance rather than self-escalating duration. RESOURCES Based on peer-reviewed literature: Why the ear – Butt MF, et al. "The anatomical basis for transcutaneous auricular vagus nerve stimulation." Journal of Anatomy, 2020;236(4):588–611. https://onlinelibrary.wiley.com/doi/10.1111/joa.13122 taVNS, HRV & mental stress – Drost L, Schulz A, Möck A, Vögele C. "Effects of taVNS on physiological responses and cognitive performance during a mental stressor." Cognitive, Affective, & Behavioral Neuroscience, 2025;25(6):1655–1666. (Sham-controlled RCT, n=41: higher RMSSD during active stimulation; self-report and cognitive performance unchanged.) https://link.springer.com/article/10.3758/s13415-025-01341-w What HRV actually indexes – Laborde S, Mosley E, Thayer JF. "Heart Rate Variability and Cardiac Vagal Tone in Psychophysiological Research — Recommendations for Experiment Planning, Data Analysis, and Data Reporting." Frontiers in Psychology, 2017;8:213. https://www.frontiersin.org/articles/10.3389/fpsyg.2017.00213/full Slow breathing & HRV – Laborde S, et al. "Effects of voluntary slow breathing on heart rate and heart rate variability: A systematic review and a meta-analysis." Neuroscience & Biobehavioral Reviews, 2022;138:104711. https://pubmed.ncbi.nlm.nih.gov/35623448/ Non-invasive vagal approaches, reviewed – Gitler A, Bar Yosef Y, Kotzer U, Levine AD. "Harnessing non-invasive vagal neuromodulation: HRV biofeedback and SSP for cardiovascular and autonomic regulation (Review)." Medicine International, 2025;5(4):37. https://www.spandidos-publications.com/10.3892/mi.2025.236 🔗 Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

  5. Sep 21

    Why Your Kid Keeps Getting Sick (And What Actually Helps)

    Child immune system support isn't about stopping every cold — it's about knowing which ones are normal. Nurse Doza breaks down how a school-age immune system actually develops, what's worth a closer look, and five things you can do at home: sleep, food, the right supplements, movement, and nervous system care. Plus the one nutrient that keeps coming back low on lab work. Featured Product The D (4-Month Supply) — $75 Vitamin D receptors sit on immune cells throughout the body — in the gut, the sinuses, the lungs — and vitamin D is one of the most commonly low results on a standard lab panel. The D pairs vitamin D3 (cholecalciferol) with vitamin K2 as MK-7 in a single daily capsule, and one bottle runs four months. One habit, one bottle, the whole season covered. 👉 Get The D here: https://mswnutrition.com/products/the-d Ask your child's pediatrician before giving a child any supplement, and ask them to check a vitamin D level so you're working from a number instead of a guess. Join the School of Doza If you're the parent who has been through four rounds of the same cold since school started and nobody will tell you whether that's normal, this is the room for you. Every Wednesday at 1pm Central we hold a live Ask Me Anything that runs like a group consult — bring your labs, your supplement questions, or what's going on at home and get direct guidance in the room. It's live only, so you're getting answers to your situation, not a recording of somebody else's. The Liver Course is also running right now — a live class plus Q&A every Tuesday, six weeks, wrapping with Building Your Liver Protocol. If you've ever been told your labs look fine and you still feel off, that's the one to sit in on. Your first 7 days are completely free. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 Key Takeaways Kids getting sick is part of how a young immune system learns. The goal is not zero colds — it is knowing which pattern is normal development and which pattern is worth bringing to your pediatrician. Sleep is immune infrastructure, not downtime. CDC/NIOSH training materials note that restricting sleep to four hours for a single night dropped natural killer cell activity to an average of 72% of a rested night, and six nights of short sleep cut influenza vaccine antibody production by more than half. Color on the plate is the simplest nutrition rule kids will actually follow. Fermented foods (kefir, sauerkraut, pickles, miso) supply probiotics; green bananas, plantains, jicama, yams and asparagus feed them as prebiotics; berries and dark leafy greens carry the antioxidants. Vitamin D is the one most often missing. In a trial of otitis-prone children, 1,000 IU of vitamin D3 daily reduced the risk of acute otitis media, and the protection tracked with final blood levels reaching roughly 40 ng/mL or higher — a level most standard reference ranges would still call "normal" well below. Movement and nervous system care round it out. Physical activity helps the body stay resilient against infection, and Nurse Doza makes the case from his chiropractic practice that regular adjustments support the nervous system that regulates the immune response. Timestamps 00:00 START – Welcome and episode overview 00:39 – The cold that never leaves the house, and the 2am question 02:05 – What's happening right now inside the School of Doza 04:05 – Thing #1: Sleep, and why it is the foundation of the immune system 06:05 – Four hours of sleep and what happens to natural killer cell activity 07:20 – Melatonin, dark rooms, and the difference between hours and depth 08:55 – Sleep and how well a vaccine actually works 09:48 – Thing #2: Eat the right food — vitamin D, sunlight, and fatty fish 12:30 – Eating the rainbow, and why yellow-and-white plates fall short 14:27 – Probiotic and prebiotic foods kids will actually eat 16:30 – Thing #3: The right supplements — vitamin D3 with K2 18:30 – What vitamin D level to aim for, and why "in range" is not the same as optimal 20:05 – Thing #4: Exercise — 60 minutes of real play, every day 23:49 – Thing #5: The one most families skip — chiropractic and the nervous system 30:52 – Test, don't guess — and the closing ask Resources 1. Sleep and the Immune System — CDC / NIOSH https://www.cdc.gov/niosh/work-hour-training-for-nurses/longhours/mod2/05.html 2. Melatonin, sleep and immune regulation — PMC8602722 https://pmc.ncbi.nlm.nih.gov/articles/PMC8602722/ 3. How To Build Up Your Kid's Immune System — Cleveland Clinic https://health.clevelandclinic.org/how-to-boost-your-kids-immunity 4. Whole foods for kids' immune health — CHOC https://health.choc.org/how-to-strengthen-your-childs-immune-system-with-whole-foods/ 5. Vitamin D supplementation reduces the risk of acute otitis media in otitis-prone children (Marchisio et al., Pediatr Infect Dis J, 2013) — PMID 23694840 https://pubmed.ncbi.nlm.nih.gov/23694840/ 6. Treatment and Prevention of Infections in Pediatric Acute-Onset Neuropsychiatric Syndrome (vitamin D section) — Cooperstock et al., 2017 https://journals.sagepub.com/doi/full/10.1089/cap.2016.0151 7. New Study Unveils Relationship Between Chiropractic Care and Immune Response — International Chiropractors Association https://www.chiropractic.org/new-study-unveils-relationship-between-chiropractic-care-and-immune-response/ 8. Immune Function: Top 5 research papers — Asia-Pacific Chiropractic Journal https://www.apcj.net/site_files/4725/upload_files/ImmuneFunctionTop5(1).pdf 9. The D (4-Month Supply) — MSW Nutrition https://mswnutrition.com/products/the-d 10. School of Doza — start your free 7-day trial https://community.schoolofdoza.com/c/start-here 11. $99 lab review with Nurse Doza https://labs.nursedoza.com Connect with Nurse Doza 🔗 Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

  6. Sep 17

    MTHFR Gene Explained: Why Your Folate Isn't Working (And What to Take)

    In this Supplement Stack Series episode, Nurse Doza breaks down the MTHFR gene — the enzyme behind methylation, detoxification, neurotransmitter production, and energy — and explains why the form of folate you take matters if you carry one of the common variants. He walks through The MTHFR Stack by MSW Nutrition: the methyl donors, the methylated B vitamins, and the liver support that keep the methylation cycle turning. If methylation is your bottleneck, start here. FEATURED PRODUCT The MTHFR Stack by MSW Nutrition bundles the three formulas Nurse Doza reaches for when methylation support is the goal — Bliss, Boost, and Liver Boost — into one system. Together they cover the methyl donors (betaine/TMG and SAMe), the methylated B vitamins (methylfolate, methylcobalamin, B6 as P-5-P) and glutathione, and the phase II liver pathway where methylation and detoxification meet. Rather than supporting one step and starving the next, the stack works the whole cycle. 👉 Get The MTHFR Stack: https://mthfr.mswnutrition.com/ Launch pricing: $269 through September 30 (retail value $340). $299 from October 1. Discount applies automatically at checkout — no code needed. These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease. If you're pregnant or nursing, or take prescription medication, talk with your provider before starting a new supplement. JOIN THE SCHOOL Methylation is one of those topics where the labs, the genetics, and the supplement aisle all point in different directions. Inside the School of Doza, members work through it together — and every Wednesday at 1 PM Central there's a live group consult where you can bring your own questions about homocysteine, folate, B12, and what to actually do with an MTHFR result. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 KEY TAKEAWAYS MTHFR isn't a niche gene — it's a hub. The MTHFR enzyme converts folate into its active 5-MTHF form, which feeds the methylation cycle behind detoxification, neurotransmitter production, cardiovascular health, brain function, and liver metabolism. Common variants mean less enzyme activity. The C677T variant is one of the most studied polymorphisms in human genetics and is associated with reduced enzyme activity and higher homocysteine — which is why the form of folate you take matters. Methylfolate skips the step your enzyme struggles with. Supplemental 5-MTHF is already in the active form, so it doesn't depend on MTHFR conversion the way folic acid does. It's the folate form the stack is built on. Methyl donors sit upstream of mood. SAMe is the body's universal methyl donor and betaine (TMG) helps recycle homocysteine back to methionine. The stack includes both, which is why Nurse Doza frames methylation support as something that also touches serotonin and dopamine pathways. The liver is where methylation and detox meet. Phase II detoxification runs through methylation, glutathione conjugation, and sulfation — so supporting glutathione and the phase II pathway is supporting the same system the MTHFR gene serves. RESOURCES Based on peer-reviewed literature: MTHFR C677T — epidemiology and metabolism – Review of the C677T polymorphism, its prevalence, its effect on enzyme activity and homocysteine, and associated conditions. Eur J Med Genet, 2015. https://pubmed.ncbi.nlm.nih.gov/25449138/ Active folate vs. folic acid – Review of 5-MTHF (methylfolate) in human health and why the active form bypasses reduced MTHFR activity. Biomolecules, 2022. https://pmc.ncbi.nlm.nih.gov/articles/PMC9380836/ SAMe and the central nervous system – Systematic review of S-adenosylmethionine, transmethylation, and CNS health. 2024. https://pmc.ncbi.nlm.nih.gov/articles/PMC11435340/ Betaine (TMG) – Comprehensive review of betaine's role as a methyl donor, its effect on homocysteine remethylation, and liver outcomes. Nutrients, 2021. https://pmc.ncbi.nlm.nih.gov/articles/PMC8224793/ Hepatic glutathione – Review of glutathione's synthesis, regulation, and role in liver detoxification. Mol Aspects Med. https://pmc.ncbi.nlm.nih.gov/articles/PMC2596047/ 🔗 Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

  7. Sep 14

    How to Delay Menopause: What Actually Sets the Timeline?

    Menopause timing is not purely genetic — and this episode explains how to delay menopause by supporting the systems that actually set the clock. Nurse Doza covers the three estrogens you make across a lifetime (E1, E2, E3), why estradiol supports your heart, cholesterol, and insulin, how PCOS and inflamed fat cells drive estrone production, and which labs to order and when in your cycle to run them. You will also hear why the liver belongs in every hormone conversation. FEATURED PRODUCT Liver Boost (Detox) by MSW Nutrition — $111 Your liver is where estrogen gets processed, conjugated, and cleared — which is why this episode keeps circling back to it. Liver Boost (formerly known as Liver Love) is a comprehensive formula designed to support phase I and phase II liver detoxification of environmental toxins, the same two-phase pathway your body uses to handle hormones. When that pathway is working against processed food, alcohol, and years of medication, everything downstream of it gets harder. Nurse Doza takes it daily alongside Mitochondriac (NAD+ Support) — $119 — a complete bioflavonoid complex with resveratrol, quercetin, and pterostilbene. That pairing is what he names at the close of this episode: support the liver, support the mitochondria. 👉 Get Liver Boost here: https://mswnutrition.com/products/liver-boost 👉 Get Mitochondriac here: https://mswnutrition.com/products/mitochondriac JOIN THE SCHOOL If you have ever been told your labs are "normal" while you feel anything but — or you have never had FSH, LH, estradiol, and progesterone run together, at the right point in your cycle — that is exactly the gap this community exists to close. Inside the School of Doza we host a live Ask Me Anything every Wednesday, and it runs like a group consult. You bring your labs, your cycle, your symptoms, the thing your doctor waved off, and we work through it together in real time. These are live sessions, not recordings, so the answers are about your situation. Your first 7 days are completely free, so you can sit in on an AMA before committing to anything. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 KEY TAKEAWAYS 1. Menopause timing is not only genetics. "My mom went through it at this age, so I will too" is only part of the story. Liver health, insulin regulation, inflammation, alcohol, and years of hormonal medication all shape when the transition begins — which makes lifestyle a lever rather than a bystander. 2. You make three different estrogens, and they are not interchangeable. E1 (estrone) is the estrogen that dominates in menopause and in inflammation. E2 (estradiol) is the reproductive-year estrogen associated with feeling like yourself. E3 (estriol) is made in pregnancy. Standard panels rarely measure all three, which is why "your estrogen is fine" can be an incomplete answer. 3. Estrogen supports the cardiovascular system. Estradiol is associated with a more favorable lipoprotein profile — lower LDL, higher HDL — and that association is part of why cardiovascular risk in women shifts after menopause. Losing estrogen is not only a fertility event. 4. Estrogen and insulin are linked. Menopause has been described in the literature as a potential risk factor for insulin resistance independent of age. PCOS — the most common endocrine disorder in women of reproductive age — sits at that same estrogen-insulin intersection, which is why blood sugar belongs in a hormone conversation. 5. Fat cells make estrone. Adipose tissue is a source of estrone and of inflammatory signaling like IL-6 and TNF-α. Higher body mass index in postmenopausal women is associated with higher circulating sex hormones and higher breast cancer risk — which reframes weight as a hormone input, not just a number on a scale. TIMESTAMPS 00:00 START – Welcome and episode overview 01:25 – Why women's health can't wait: the hysterectomy statistic 02:30 – Reason 1: The later the menopause, the longer the life 04:20 – Menopause is hormone loss, not just egg loss 06:35 – Estrogen, cholesterol, and cardiovascular protection 09:06 – The three estrogens: E1, E2, and E3 explained 10:48 – Reason 2: Estrogen, insulin, and diabetes risk 13:12 – PCOS as insulin resistance of the ovaries 15:12 – Birth control, IUDs, and what nobody explains 20:01 – Reason 3: Support your healthy estradiol now 24:37 – Reason 4: Fat cells, inflammation, and estrone 27:41 – Hormone replacement and the rest of the panel 29:39 – Which labs to order, and when in your cycle 32:52 – Why this is personal: Nurse Doza's mom 34:46 – Three things you can do today RESOURCES 1. Journal of the National Cancer Institute, 2002 — Endogenous sex hormones and breast cancer in postmenopausal women: reanalysis of nine prospective studies: https://pubmed.ncbi.nlm.nih.gov/11959894/ 2. Journal of the National Cancer Institute, 2003 — Body mass index, serum sex hormones, and breast cancer risk in postmenopausal women: https://pubmed.ncbi.nlm.nih.gov/12928347/ 3. World Journal of Gastroenterology, 2015 — Liver disease in menopause: https://pmc.ncbi.nlm.nih.gov/articles/PMC4491951/ 4. Current Vascular Pharmacology, 2019 — Menopause and Non-Alcoholic Fatty Liver Disease: A Review Focusing on Therapeutic Perspectives: https://pubmed.ncbi.nlm.nih.gov/29992886/ 5. International Journal of Cancer, 2025 — The estrobolome and breast cancer risk: gut microbial estrogen metabolism: https://pmc.ncbi.nlm.nih.gov/articles/PMC12178105/ CONNECT WITH NURSE DOZA 🔗 Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

  8. Sep 10

    Your Bathroom Scale Can't Tell Muscle From Fat. This Can.

    In this School of Doza Health Tech Series episode, Nurse Doza breaks down Hume Health—the at-home body scan he keeps in his kitchen, his bathroom, and his clinic. He explains why a single weight reading hides at least four things moving in different directions, why visceral fat is the compartment a standard scale is blind to, and how a three-to-five-second barefoot reading turns diet, training, and sleep changes into a trend line you can actually act on. If you've changed your habits and have no idea whether any of it worked, this is the missing feedback loop. FEATURED PARTNER The Hume Pod is the at-home body scan Nurse Doza uses every morning. Step on it barefoot and in three to five seconds it returns estimates for body fat, muscle mass, bone mass, and visceral fat, alongside heart rate, basal metabolic rate, and a calculated body-age score—all synced to a free app that charts the trend over weeks and months instead of handing you one number a day. That's exactly the problem this episode is about: weight alone can't tell you what changed, and the compartments that matter most for metabolic health are the ones a normal scale never shows you. Hume backs the device with a 10-year warranty. 👉 Get the Hume Pod (20% off with code NURSEDOZA): https://humehealth.com Enter NURSEDOZA at checkout. Free worldwide shipping and a 45-day return policy. The Hume Pod is a consumer wellness device, not a medical device. Body-composition readings are estimates, not diagnostic measurements, and are not intended to diagnose, treat, cure, or prevent any disease. They don't replace lab work or evaluation by a licensed provider. Bioelectrical impedance devices are generally not recommended for people with a pacemaker or other implanted electronic device, or during pregnancy—check with your provider first. JOIN THE SCHOOL Data is only useful if you know what to do with it. Inside the School of Doza, members bring exactly this kind of thing—body composition trends, lab panels, what actually moved after eight weeks of changes—to a live group consult every Wednesday at 1 PM Central, run like an Ask Me Anything. Instead of staring at a number and guessing what it means, you get to ask. The first 7 days are free. 👉 Start your free trial: https://community.schoolofdoza.com/c/start-here 5 KEY TAKEAWAYS Weight is one number hiding at least four. Muscle, fat, water, and bone all move independently. You can drop eight pounds and lose muscle doing it, or gain four while visceral fat trends down—identical scale readings, opposite outcomes. Until you separate the compartments, you're reading an average and calling it a result. Visceral fat is the compartment a standard scale can't see. The fat stored around the organs behaves differently from the subcutaneous fat you can pinch, and it's the one most consistently examined in the cardiometabolic risk literature. Impedance-based estimates of body fat have been shown to track cardiometabolic risk clustering, in some analyses outperforming waist circumference. Muscle mass is a longevity metric, not a vanity one. Prospective cohort data consistently associates low skeletal muscle mass with higher all-cause mortality risk. Tracking muscle isn't about the mirror—it's about knowing whether the thing most tied to how you age is moving in the right direction. Consistency beats precision. At-home impedance devices produce estimates, not DXA-grade measurements, and hydration, food, and time of day all shift a reading. Taken barefoot at the same time each morning under the same conditions, they're reliable enough to show direction—which is the only thing behavior change actually requires. The device isn't the intervention—the feedback loop is. Research on regular self-weighing and digital self-monitoring links consistent tracking to better adherence in weight-management programs. What changes outcomes isn't owning a scale. It's no longer being able to tell yourself a story about what's happening. RESOURCES Based on peer-reviewed literature: Body composition by BIA & metabolic risk – Cross-sectional analysis associating bioelectrical impedance body-composition measures with metabolic risk factor clustering in middle-aged adults. Preventive Medicine Reports, 2017. https://pmc.ncbi.nlm.nih.gov/articles/PMC5369856/ BIA vs. waist circumference for cardiometabolic risk – Cross-sectional study finding bioelectrical impedance body-fat estimates outperformed waist circumference for predicting cardiometabolic risk in hypertensive subjects. BMC Cardiovascular Disorders, 2015. https://pmc.ncbi.nlm.nih.gov/articles/PMC4357142/ Reliability & accuracy of multi-frequency BIA – Assessment of the reliability, biological variability, and accuracy of multi-frequency bioelectrical impedance analysis for measuring body composition components. Frontiers in Nutrition, 2024. https://pmc.ncbi.nlm.nih.gov/articles/PMC11649400/ Skeletal muscle mass & all-cause mortality – Prospective cohort analysis of skeletal muscle mass and all-cause mortality. Tropical Medicine & International Health, 2023. https://pmc.ncbi.nlm.nih.gov/articles/PMC9945657/ Self-weighing & long-term weight outcomes – Three-year follow-up of participants from a self-weighing randomized controlled trial. Journal of Obesity, 2017. https://pmc.ncbi.nlm.nih.gov/articles/PMC5625756/ 🔗 Connect with Nurse Doza: JOIN MY SCHOOL for FREE: https://community.schoolofdoza.com/c/start-here YouTube: https://www.youtube.com/channel/UCwcKyagDi468WscAOWM5VHA Instagram: https://www.instagram.com/nursedoza/ Website: http://www.nursedoza.com/ LinkedIn: https://www.linkedin.com/in/jonathan-mendoza-dc-aprn-np-c-0609a038/ TikTok: https://www.tiktok.com/@nursedoza Twitter: https://twitter.com/nursedoza

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About

Nurse Doza’s Podcast comes to life in a very interactive way. Sure you can listen to the podcast, but this is just the beginning of your education in health. Every week, Nurse Doza dives into new health subjects and encourages you to submit your questions to be answered on the podcast, newsletter, YouTube, LinkedIn, and every other way that you like to take in educational media.

Information

  • Creator
    NURSE DOZA
  • Years Active
    2023 - 2026
  • Episodes
    296
  • Rating
    Clean
  • Copyright
    © Nurse Doza I How Do You Health?
  • Show Website
    The School of Doza Podcast

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