Second Opinion with Rosemarie Beltz

Rosemarie Beltz
  • 5.0 (10)
  • Medicine
  • Updated Weekly

Second Opinion is where science meets real life in midlife. Hosted by Rosemarie Beltz—a cardiovascular perfusionist and journalist with nearly 30 years inside the operating room and high-stakes medical environments—this podcast explores the health questions most people don’t know how to ask… until it matters. From hormones, metabolism, and heart health to longevity, sleep, and medical decision-making, each episode goes beyond headlines to examine what the research actually says, what gets overlooked, and how it applies in real life. Through in-depth conversations with physicians, researchers, and thought leaders—alongside honest reflections from the front lines of medicine—Second Opinion helps you think more clearly about your health, your choices, and what comes next. This isn’t just a podcast.
It’s a real-time exploration of what it means to move through midlife with clarity, responsibility, and curiosity—when the stakes are no longer theoretical. This is for the generation navigating everything at once:
aging parents, evolving bodies, high-performance careers, and the quiet awareness that how you live now matters. 🎙 Topics include:
midlife health, perimenopause, menopause, testosterone, metabolic health, heart disease, longevity, sleep, stress, cognitive health, GLP-1 medications, preventive medicine, and navigating the healthcare system. 🌍 Now reaching listeners in over 50 countries. Produced independently—rooted in New York City, and shaped by wherever life leads next. Not to tell you what to think—but to help you think more clearly about your health, your time, and your next chapter. Subscribe for intelligent conversations at the intersection of medicine, mindset, and midlife.

  1. Aug 5

    The Power of the Pivot: Let August Be August. Why changing your mind may be the healthiest decision you make this summer.

    What if the smartest thing you do this August isn't adding another wellness habit...but letting something go? As we enter National Wellness Month and the final stretch of our 90-day Summer Experiment, this episode explores a different definition of well-being—one rooted in science, curiosity, preventive health, and the quiet confidence to change course when new information arrives. After a summer spent exploring hydration, freedom, attention, identity, and intentional living, August arrives with a new question: What have I learned—and am I willing to let that learning change my plan? Recorded from my Brooklyn terrace, on the bus into Manhattan, and while waiting for my annual mammogram before work at NYU, this deeply personal episode blends neuroscience, medicine, journalism, and the beauty of late summer into an invitation to slow down, reassess, and truly experience the season before it slips away. Together we'll explore: • Why changing your mind is often a sign of cognitive flexibility, not inconsistency • The surprising neuroscience behind pivoting, intuition, and decision fatigue • The difference between a placeholder, a true pivot, and simply getting stuck • Why preventive health care—mammograms, eye exams, screenings, and routine maintenance—is one of the most overlooked forms of wellness • What the latest microbiome research is teaching us about dietary diversity, fiber, and building upon healthy habits instead of constantly starting over • Why August may be the perfect month to subtract instead of add • How to recognize when your body is quietly asking for recovery • Why "living well" may be more important than endlessly optimizing yourself Along the way, I also share why I've decided to pause new weekly episodes through the remainder of August—and why that decision isn't about burnout. It's about paying attention. Sometimes the healthiest decision isn't pushing harder. Sometimes it's creating enough space to hear what's trying to emerge next. Because perhaps the final lesson of our Summer Experiment isn't becoming more disciplined. It's becoming more responsive. Responsive to our bodies. Responsive to our relationships. Responsive to new information. Responsive to the quiet voice saying: I still want the destination... I just don't want to get there this way. This August... Drink the water. Eat the peaches. Wear the dress. Make the appointment. Watch the sunset. Leave a little room for surprise. And maybe... Be the miracle. 🌿 This Week's August Experiment Instead of another wellness challenge, try this: RESTORE What in your life needs care? RELEASE What can you stop forcing? REIMAGINE Where has new information changed the plan? RECEIVE What can you allow August to give you? 🎧 While We're On Pause I'll be spending the remainder of August: • Continuing my hydration and microbiome research • Exploring nutrition through greater dietary diversity and fiber • Taking care of my own preventive health • Reading, writing, interviewing, and preparing an exciting Season Three • Spending intentional time with family and friends • Living enough life to come back with something worth sharing I hope you'll use these next few weeks to revisit previous episodes, continue your own experiments, and enjoy every beautiful day that's left of summer. 💬 Let's Continue the Conversation I'd love to hear from you. What is one thing you're ready to release this August? Or perhaps an even better question... Where has life given you enough new information to change your mind? If this episode resonated with you, please consider: ✓ Following Second Opinion ✓ Leaving a review on Apple Podcasts or Spotify ✓ Sharing this episode with someone navigating midlife Because curiosity is contagious. And the best conversations are the ones we continue together. 📚 Research & Sources Mentioned This episode was independently researched using peer-reviewed medical literature, evidence-based health resources, and current neuroscience research. Preventive Health • U.S. Preventive Services Task Force (USPSTF) Breast Cancer Screening Recommendations https://www.uspreventiveservicestaskforce.org Neuroscience & Decision Making • National Institutes of Health (NIH) Neural mechanisms of voluntary changes of mind and cognitive flexibility Explores the brain networks involved in updating decisions, including the anterior cingulate cortex, anterior insula, and prefrontal cortex. https://pmc.ncbi.nlm.nih.gov/articles/PMC10152092/ • National Institutes of Health (NIH) Intuition and Insight: Two Processes That Build on Each Other A fascinating review examining intuition, insight, predictive processing, and how accumulated experience shapes rapid decision-making. https://pmc.ncbi.nlm.nih.gov/articles/PMC5020639/ Decision Fatigue & Cognitive Load • Peer-reviewed reviews examining decision fatigue, cognitive effort, executive function, and the evolving science behind mental overload. https://pmc.ncbi.nlm.nih.gov/articles/PMC11808891/ Gut Health & the Microbiome • Peer-reviewed research on the gut microbiome, dietary diversity, fiber, microbial metabolites, and gut-brain communication. https://pmc.ncbi.nlm.nih.gov/articles/PMC8153313/ • Recent review of the Gut–Brain Axis https://pubmed.ncbi.nlm.nih.gov/40728958/ Books Mentioned Quench Dana Cohen, MD & Gina Bria An exploration of hydration, structured water, nutrition, and whole-body hydration. About the Host Rosemarie Beltz is a Board-Certified Cardiovascular Perfusionist with over three decades of experience in medicine and a Columbia University-trained journalist. Second Opinion blends evidence-based health journalism with personal storytelling, helping curious mid-lifers navigate health, longevity, reinvention, relationships, and life's next chapter with curiosity instead of fear. Each episode is independently researched, written, produced, and hosted by Rosemarie in New York City. 🤝 Interested in Being a Guest? One of my goals for Season Three is to bring even more world-class experts and thoughtful conversations to Second Opinion. If you're a physician, researcher, scientist, healthcare professional, longevity expert, psychologist, nutrition researcher, or someone with an extraordinary story that could help our audience better understand health and life after 40... I'd love to hear from you. I'm also always interested in hearing from listeners whose lives...

  2. Aug 1

    The Secret Life of Water. What Modern Life Gets Wrong About Hydration

    Why and how sunlight, hormones, fascia, your microbiome—and one extraordinary molecule—may matter more than another glass of water. We've spent decades asking one question: How much water should I drink? But what if the better question is... What does water actually do once it gets inside us? In this week's episode of Second Opinion, Rosemarie Beltz takes you on a fascinating journey into one of the most extraordinary—and surprisingly misunderstood—substances on Earth. Inspired by a drive home from the Jersey Shore and a second reading of Quench, this conversation begins with a simple realization: "I don't actually understand water."That moment of curiosity opens the door to a much bigger story. One that connects hydration with your brain, hormones, fascia, microbiome, muscles, circadian rhythm, and healthy aging. This isn't another "drink more water" episode. It's an exploration of the remarkable biology quietly happening inside each of us every second of every day—and why understanding one extraordinary molecule may change the way you think about your body forever. In This Episode • Why modern life changes the way our bodies manage water • The surprising science of chronic underhydration—and why researchers still don't have one universal definition • What a landmark 30-year NIH study of more than 11,000 adults revealed about hydration, healthy aging, chronic disease, and longevity • Why water is one of the most remarkable molecules in nature—and how its unique chemistry makes life possible • How electrolytes actually work (and why they're far more interesting than sports drinks) • The surprising connection between sunlight, circadian rhythms, cortisol, vasopressin, and hydration • Why your microbiome is less like "gut bacteria" and more like an extraordinary living ecosystem • What fascia really is—and why movement helps keep your tissues healthy and hydrated • How estrogen, progesterone, testosterone, cortisol, aldosterone, and vasopressin influence hydration during midlife • The fascinating science behind gel water—and why nature packages hydration inside fruits and vegetables • Practical, evidence-based strategies to help your body absorb and use water more effectively • A simple whole-food hydration recipe inspired by Quench More importantly... You'll never look at a glass of water the same way again. Because sometimes the greatest scientific mysteries aren't hidden inside a laboratory. Sometimes... they're sitting quietly beside your lunch. Featured Books & Research Quench: Beat Fatigue, Drop Weight, and Heal Your Body Through the New Science of Optimum Hydration Dr. Dana Cohen, MD & Gina Bria Your Body's Many Cries for Water Dr. F. Batmanghelidj Additional research and scientific literature referenced throughout this episode includes: • National Institutes of Health (NIH) research examining hydration markers, biological aging, chronic disease risk, and longevity, including a 30-year follow-up of more than 11,000 adults • Human hydration physiology • Circadian biology • Fascia and connective tissue research • Microbiome science • Menopause and healthy aging • Electrolyte physiology • Nutrition and water-rich foods This Week's Summer Experiment Instead of asking... "Did I drink enough water today?" Try asking... "Did I create an environment where my body could use water well?" This week, experiment with building hydration rather than simply drinking it. Spend a few minutes outside in the morning. Eat foods naturally rich in water. Move your body. Protect your sleep. Feed your microbiome. Then notice what changes. Let's Continue the Conversation What surprised you most about today's episode? Was there one idea that completely changed the way you think about water? I'd love to hear from you. Leave a review, share this episode with a friend, or join the conversation on social media. Some of my favorite ideas for future episodes have come directly from conversations with listeners around the world. Coming Soon... I've invited Dr. Dana Cohen, co-author of Quench, to join me for a future episode of Second Opinion. If she accepts, we'll dive even deeper into the evolving science of hydration, fascia, structured (or "gel") water, hormones, the microbiome, and the practical habits that help us feel healthier, more resilient, and more alive. Stay tuned. If This Episode Resonated With You ✓ Follow Second Opinion ✓ Share this episode with someone who loves science, medicine, lifelong learning, or simply asking better questions ✓ Leave a rating or review—it helps thoughtful conversations like these reach curious listeners around the world Because curiosity is contagious. And sometimes... one conversation really can change the way we live. Second Opinion is independently researched, written, produced, and hosted by me, Rosemarie  a board-certified cardiovascular perfusionist with over three decades of experience in medicine and a Columbia University-trained journalist. Each week, Second Opinion blends evidence-based science, thoughtful storytelling, and genuine curiosity to explore health, longevity, reinvention, relationships, and the questions that help us live more intentionally. From New York... Thank you for listening. 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

  3. Jul 24

    Romancing Your Own Life: A Midlife Summer Experiment in Living More Fully

    What if the life you've been looking for isn't somewhere else? What if it's waiting in the ordinary moments you've been rushing past? This week on Second Opinion, Rosemarie takes listeners on an unplanned solo road trip to Montauk, New York—a retro beach motel, sunrise over the Atlantic, dolphins just offshore, farm stands overflowing with basil, local honey, and one unforgettable nursery tucked away in Water Mill. But this isn't really a travel episode. It's an invitation. An invitation to stop waiting. To stop performing. To stop believing that the best part of life begins after the next promotion, the next relationship, the next renovation, or the next version of yourself. From a 600-pound concrete planter unexpectedly abandoned in her apartment hallway, to white-glove deliveries that were anything but, to laughing with four strangers who came to the rescue, Rose shares how the most meaningful moments rarely go according to plan. Together, you'll explore: • Why midlife isn't about reinventing yourself—it's about recognizing yourself. • The surprising difference between productivity and aliveness. • Why slowing down may be one of the healthiest decisions you make this summer. • How to create your own "Five-Star Summer Rental" wherever you live. • The beauty of living seasonally through food, flowers, nature, and everyday rituals. • Why fresh basil, good coffee, and ordinary Tuesdays may be far more important than we realize. Drawing from nearly three decades in cardiac surgery, journalism, and her own life as a single woman intentionally designing a meaningful next chapter in New York City, Rose offers a refreshing perspective on health, identity, and what it really means to build a life you don't constantly need to escape. Whether you're listening from a beach chair, your morning commute, a garden, a balcony, or your kitchen while making dinner, consider this your invitation to romanticize your own life. Not someday. This week. 🌿 Summer Experiment This week, create one moment that looks unmistakably like you. Take the scenic route. Buy the flowers. Visit the farmers market. Order the lobster roll. Wear the linen. Watch the sunrise. Support a local business. Or simply spend one uninterrupted hour doing something that reminds you who you are when no one is watching. Because the life you're waiting for... might already be here. 🎙 About Second Opinion Second Opinion is an independently researched, written, produced, and hosted weekly podcast by Rosemarie Beltz, a board-certified cardiovascular perfusionist and Columbia University-trained journalist based in New York City. Blending science, storytelling, and thoughtful conversation, the show explores health, longevity, reinvention, relationships, curiosity, and the questions that help us build more intentional lives—especially in midlife. If you're enjoying the Summer Experiment series: ✓ Follow the show on Apple Podcasts, Spotify, Amazon Music, and YouTube. ✓ Share this episode with someone who needs a reminder that the best years aren't behind them. ✓ Leave a review—it helps more curious mid-lifers discover the show. Until next week... Stay curious. Stay open. Romance your own life. And don't forget to flirt shamelessly with possibility. 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

  4. Jul 17

    The Summer Attention Experiment: What Deserves You?

    What if the quality of your life isn’t determined by everything happening around you…but by what consistently receives your attention? After one of the most challenging weeks I’ve experienced in the operating room, I realized something unexpected. My circumstances hadn’t changed. The renovation at home was still unfinished. The difficult conversations were still waiting. The stress was still real, but my relationship to those circumstances had begun to shift. In this episode, we’re exploring attention—not as productivity, but as one of the greatest acts of freedom available to us. Together, we’ll talk about perception, identity, savoring summer, becoming a “Flexitarian of Life,” and why one small shift in focus can completely change the way we experience an ordinary day. Because perhaps the most important question isn’t… What deserves your attention? It’s… What deserves you? ⸻ In This Episode: • Why your relationship to your circumstances often matters more than the circumstances themselves. • The connection between attention, identity, and emotional well-being. • What a cracked tooth, a family of mockingbirds, a home renovation, and French toast on a Brooklyn terrace unexpectedly taught me about living more intentionally. • Becoming a “Flexitarian of Life”—keeping your values rooted while remaining flexible in your thinking, strategy, and response. • Why beauty, curiosity, and small daily rituals may be some of the most powerful forms of self-care. • A simple Summer Experiment to help you reclaim your focus, your energy, and your peace. ⸻ This Week’s Summer Experiment: This week… Pay attention to your attention. Ask yourself: What has been receiving more attention than it deserves? Then ask: What deserves more of me? Maybe it’s your health. Your creativity. Your relationships. Your home. Your morning routine. Or simply ten quiet minutes before the world tells you what deserves your attention. Choose one small aligned action. Drink your coffee outside. Make the reservation. Close one open loop. Watch one more sunset. Take the walk. Water your plants. Your circumstances may not change this week. Your relationship to them can. ⸻ Pull Up a Chair If this conversation resonated with you, I’d love to hear from you. Tell me where you’re listening from. Tell me what you’re experimenting with this summer. Or simply tell me… What deserves more of you? You can connect with me through my website, by email, or on social media. I read every message personally. Second Opinion is still independently researched, written, recorded, edited, and produced by me here in New York City, so it may take me a little while to respond—but hearing your stories has become one of the most meaningful parts of this journey. And if someone came to mind while listening… Share this episode. Better yet… Pull up two chairs somewhere beautiful. Order something cold to drink. Listen together. Because the best conversations rarely end when the podcast does. ⸻ About Second Opinion Hosted by Rosemarie Beltz—a board-certified cardiovascular perfusionist and Columbia University-trained journalist—Second Opinion explores health, longevity, reinvention, relationships, curiosity, and the questions that help us live more intentionally. Every episode is independently researched, written, recorded, edited, and produced from Brooklyn, New York. Because better questions lead to better decisions. And sometimes…they lead to a better life. ⸻ Resources Mentioned Quench by Dana Cohen, MD & Gina BriaThe concept of PronoiaTara Marino’s philosophy of Choose to See the BeautyTim Ferriss and the idea of Closing Open Loops⸻ Follow • Share • Review If you’re enjoying these conversations, following the show, leaving a review, and sharing an episode with a friend helps Second Opinion reach more curious midl-ifers around the world. Thank you for being here. Stay curious. Stay open. Stay in the experiment. And don’t forget to flirt with possibility along the way. ⸻ 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

  5. Jul 8

    The Freedom Experiment, Part Two: "Free" Is an Identity

    What if freedom isn't something you find... but someone you become? Following last week's Fourth of July episode on freedom, an unexpectedly stressful week inside the operating room became the catalyst for a deeper realization: sometimes the people around us aren't the problem. Sometimes they're revealing the version of ourselves we're ready to outgrow. This week on Second Opinion, Rosemarie Beltz explores one of the most important questions of midlife: Who do I want to become today? Drawing from three decades in cardiac surgery, personal experiences from an emotionally demanding week, and inspiration from the work of Joe Dispenza, Rosemarie invites listeners into the next chapter of the Second Opinion Summer Experiment—where June's focus on hydration becomes July's exploration of identity, neuroscience, and personal freedom. This is not about becoming a different person. It's about becoming more fully yourself. It's about collecting evidence—one ordinary day at a time—that you're already becoming the person you've been waiting to meet. Welcome back to The Second Opinion Summer Camp. No pressure. No perfection. Just curiosity. In This Episode ✔ Why freedom is an identity—not simply a destination ✔ How one difficult week became an unexpected teacher ✔ The hidden cost of letting other people's behavior determine your emotional weather ✔ Why gratitude and ambition can coexist ✔ What neuroscience teaches us about habits, repetition, and identity ✔ Why your brain responds to evidence more than intention ✔ The difference between goals and identity ✔ How visualization can help reinforce new habits ✔ Why curiosity belongs alongside critical thinking ✔ The surprising physical reminder that chronic stress can leave on the body ✔ Rosemarie's personal 7-Day Freedom Experiment for creating lasting change This Week's Freedom Experiment For the next seven days... 💧 Drink water before coffee. ☀️ Pause before reaching for your phone. 🧠 Ask yourself: Who do I want to become today? Choose four identity traits. Create one piece of evidence that supports your future self. Spend a few quiet minutes imagining the September version of yourself. End each evening with gratitude—not for perfection—but for the evidence that you're already becoming who you want to be. Small actions. Repeated consistently. Become identity. Books & Resources Mentioned 📚 Breaking the Habit of Being Yourself 📚 You Are the Placebo 📚 Becoming Supernatural This episode discusses ideas from Joe Dispenza as a source of personal inspiration while encouraging thoughtful exploration and critical thinking. Some of Dr. Dispenza's broader claims remain controversial within mainstream medicine, and listeners are encouraged to explore multiple perspectives and evaluate the evidence for themselves. About Second Opinion Second Opinion is an independently produced podcast exploring health, longevity, neuroscience, reinvention, relationships, purpose, curiosity, and the questions that help us live more intentional lives. Hosted by Rosemarie Beltz—an independent healthcare journalist and board-certified cardiovascular perfusionist with  three decades of experience in cardiac surgery—the show blends evidence-informed science, personal storytelling, and thoughtful conversations for curious mid~lifers who believe their best years may still be ahead. Every episode is independently researched, written, produced, and recorded by Rosemarie in New York City. New Here? Welcome. Whether you're joining us from Apple Podcasts, Spotify, Amazon Music, YouTube, iHeartRadio, or anywhere else in the world, we're so glad you're here. Listeners in nearly 60 countries are spending this summer running real-life experiments in health, curiosity, freedom, and possibility. There are no perfect people here. Only curious ones. If This Episode Resonated With You ✓ Follow Second Opinion ✓ Share this episode with someone who loves asking better questions ✓ Send it to a friend who feels grateful for their life—but quietly knows they're capable of more ✓ Leave a review to help more curious listeners discover the show ✓ Join us each week as we continue our 90-Day Summer Experiment Because sometimes... one better question... one small experiment... one new habit... can quietly change the direction of an entire life. Stay Connected Follow Rosemarie for behind-the-scenes reflections from New York City , health journalism, upcoming guests, and updates from The Second Opinion Summer Experiment. This summer, we're not chasing perfection. We're practicing freedom. Stay curious. Stay open. Stay in the experiment. And don't forget to flirt with possibility along the way. Until next time. 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

  6. Jul 3

    Your Declaration of Independence | A Summer Experiment

    What if freedom isn't something we celebrate once a year—but something we quietly practice every day? In this reflective summer episode, healthcare journalist and cardiovascular perfusionist Rosemarie Beltz explores how ordinary decisions shape extraordinary lives, inviting listeners to rethink freedom, self-trust, and what it really means to author the next chapter of their lives. Episode Description We often think of freedom as something that's granted, earned, or celebrated. But what if the most meaningful freedom isn't found in a historic document or a national holiday? What if it's built quietly—in the choices we make every morning, the stories we outgrow, and the courage to stop waiting for permission? In this deeply personal Summer Experiment, Rosemarie Beltz weaves together observations from everyday life—a bustling Costco, early mornings on her Brooklyn terrace, thirty years inside cardiac operating rooms, and even learning to use a cordless drill—to explore a question that followed her all week: What does freedom really look like? Blending evidence, personal storytelling, and thoughtful reflection, this episode isn't about escaping your life. It's about becoming more fully present within it. If you've ever wondered whether the life you're building truly feels like your own, this conversation offers a different way to think about agency, reinvention, curiosity, and the quiet decisions that shape who we become. In this episode, you'll discover: Why freedom is less about circumstances—and more about daily practice.How tiny decisions quietly shape confidence, resilience, and self-trust.The surprising connection between discipline and personal freedom.What decades working in cardiac surgery have taught Rosemarie about growth, attention, and intentional living.Why midlife may be the first season where we consciously begin authoring our own lives.A simple seven-day experiment designed to help you notice where your life is expanding—and where it may be asking for something different.This conversation isn't about dramatic reinvention. It's about paying closer attention. Because extraordinary lives are rarely built through extraordinary moments. They're built through ordinary decisions, practiced consistently. Why This Conversation Matters Midlife often arrives with more questions than answers. Careers evolve, relationships change, priorities shift, and many of us begin asking a quieter question: Am I living a life that truly feels like mine? Rather than offering quick fixes, this episode invites you to pause, observe, and rediscover the freedom that often begins with a single intentional choice. About Second Opinion Second Opinion is an independently researched, written, produced, and hosted podcast created in New York City by Rosemarie Beltz, a healthcare journalist and board-certified cardiovascular perfusionist with more than three decades of experience in medicine. Each week, the show explores health, longevity, reinvention, relationships, and the questions that help us make better decisions—through the lens of science, storytelling, and lived experience. Designed for curious midlifers, Second Opinion reaches listeners across the United States and around the world who believe thoughtful questions often lead to extraordinary lives. Shareable Takeaways "Freedom isn't something we celebrate once a year. It's something we practice every single day." "The smallest acts of self-trust often become the architecture of an extraordinary life." "You don't have to reinvent your life overnight. You simply have to begin paying attention." If this episode resonated with you... Follow Second Opinion wherever you listen to podcasts. Share this episode with someone navigating a season of change, reinvention, or possibility. And if you're new here, explore the Summer Experiment series—a collection of conversations designed to help you ask better questions, think more deeply, and create a healthier, more intentional life. Because the most meaningful transformations rarely begin with dramatic moments. They begin with a single thoughtful question. 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

  7. Jun 24

    What If We've Been Thinking About Hydration All Wrong? Summer Solstice. A beach day. A coconut coffee. And a book that made me rethink everything I thought I knew about H2O, aging, and longevity.

    When was the last time you had a really good summer? Not a productive summer. Not a summer where you checked every box on your to-do list. A summer where you discovered something. This week, during a Summer Solstice beach day, a four-hour drive home, and more than a few rewinds of an audiobook, I found myself questioning something I thought I already understood: hydration. After decades studying health, working in cardiac surgery, reading nutrition books, experimenting with everything from yoga and juicing to hormones and longevity medicine, I wasn't expecting Chapter One of Quench to stop me in my tracks. But it did. What started as a simple summer reading project quickly became something much more interesting. This episode isn't a book report. It's a conversation. About curiosity. About aging. About physiology. About why the same information lands differently at 54 than it did at 34. And about a question I can't stop thinking about: What if hydration isn't really about how much water we drink, but how well we absorb it? In this episode: Why Quench immediately grabbed my attentionThe surprising story behind the book's authorsResearch suggesting many Americans may be walking around chronically dehydratedSigns and symptoms of low-grade dehydration that are often dismissed as "normal aging"Why hydration, fluid balance, and physiology hit differently in midlifeThe connection between water, fiber, food, and absorptionWhy movement may play a larger role in hydration than most people realizeHow a four-hour beach traffic jam made me rethink my own habitsThe small Monday morning decision that launched the next phase of my 90-Day Summer ExperimentWhy curiosity may be one of the most important ingredients in a rich lifeThis summer, I'm inviting you to slow down, ask better questions, stay curious, and join me as we explore health, longevity, reinvention, and possibility—one experiment at a time. And yes... We'll also discuss how a coconut-infused coffee may have become my official coffee of Summer 2026. Questions to Consider This Week What are you discovering this summer?What assumptions about your health have you stopped questioning?Could something you've accepted as "normal" deserve a second look?What fundamentals might be worth revisiting?Mentioned in This Episode Quench: Beat Fatigue, Drop Weight, and Heal Your Body Through the New Science of Optimum Hydration by Dana Cohen, M.D and Gina BriaYour Body's Many Cries for Water by Fereydoon Batmanghelidj,M.D.The Second Opinion 90-Day Summer ExperimentNew to Second Opinion? Second Opinion is a weekly podcast exploring health, longevity, reinvention, relationships, and the questions that help us live more intentional lives. Hosted by me, Rosemarie Beltz—a healthcare journalist and board-certified cardiovascular perfusionist with nearly three decades of experience in medicine—the show combines science, personal storytelling, and thoughtful conversations for curious midlifers who want more than quick answers. Every episode is independently researched, written, produced, and hosted by me in New York City. If you're navigating midlife and asking, “Now what?”—you're in the right place. If this episode resonated with you: ✓ Follow the show ✓ Share it with a friend ✓ Send it to someone who's spending this summer asking bigger questions Because the best discoveries are often the ones we share. Stay curious. Stay open. Stay in the experiment. And don't forget to flirt with possibility along the way. Until next time. 🦋 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

  8. Jun 17

    The Summer Experiment: MY 90-Day Hydration Reset | Water, Hormones, Vitality & Healthy Aging

    What if one of the most powerful things you could do for your health this summer isn't another supplement, biohack, or expensive wellness protocol? What if it's water? In this solo episode of Second Opinion, I share why I've chosen hydration as my first 90-Day Summer Experiment—and why now feels like the perfect time to return to the fundamentals. After a year focused on building a new home, completing major renovations, and creating the physical space I've dreamed about for years, I finally feel like I can exhale. The closets are installed. The office is functional. The pantry is organized. The vision is becoming reality. And as my home becomes more grounded, I'm finding myself drawn back to another project: my health. This episode is part summer camp, part summer vacation, part midlife reset. We'll talk about hydration, healthy aging, vitality, hormones, longevity, curiosity, and why the simplest habits are often the most overlooked. I also share: 💧 Why hydration became my first 90-day experiment 💧 How turning 54 shifted my perspective on health and longevity 💧 The connection between water, energy, focus, recovery, and healthy aging 💧 The books influencing my thinking, including Quench and Your Body's Many Cries for Water 💧 Why I've decided to make hydration my summer research project 💧 What happened when I met Dr. Dana Cohen, co-author of Quench 💧 Why she'll be joining us on a future episode of Second Opinion 💧 How this podcast is evolving as our audience continues to grow around the world 💧 Why curiosity may be one of the most powerful tools we have in midlife Most importantly, I invite you to choose your own Summer Experiment. Not a challenge. Not a resolution. An experiment. Because maybe you're not too old to surprise yourself. Maybe you're not too old for a second wind. And maybe you're definitely not too old to flirt with possibility. ⸻ NEW TO SECOND OPINION? Second Opinion is a podcast about health, longevity, reinvention, relationships, purpose, curiosity, and the questions that help us live more intentional lives. Hosted by me, Rosemarie Beltz—a healthcare journalist and board-certified cardiovascular perfusionist with nearly three decades in cardiac surgery—the show combines evidence-based insights, personal storytelling, and thoughtful conversations with leading experts. Every episode is independently researched, written, produced, and hosted by me in New York City. If you're navigating midlife and asking, "What now?"—you're in the right place. ⸻ FOLLOW SECOND OPINION Follow on Apple Podcasts Follow on Spotify Subscribe on YouTube Visit: https://rosemarieb.com/ For guest suggestions, episode ideas, or to share your own 90-Day Summer Experiment, I'd love to hear from you. ⸻ From New York City, I'm Rosemarie Beltz. Stay curious. Stay open. And don't forget to flirt with possibility along the way. 🔗 Follow & Subscribe to never miss an episode. If you love the show, leave a review—it helps others get a second opinion! 💡 Have a topic you’d love for us to cover? Reach out at www.rosemarieb.com.

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10 Ratings

About

Second Opinion is where science meets real life in midlife. Hosted by Rosemarie Beltz—a cardiovascular perfusionist and journalist with nearly 30 years inside the operating room and high-stakes medical environments—this podcast explores the health questions most people don’t know how to ask… until it matters. From hormones, metabolism, and heart health to longevity, sleep, and medical decision-making, each episode goes beyond headlines to examine what the research actually says, what gets overlooked, and how it applies in real life. Through in-depth conversations with physicians, researchers, and thought leaders—alongside honest reflections from the front lines of medicine—Second Opinion helps you think more clearly about your health, your choices, and what comes next. This isn’t just a podcast.
It’s a real-time exploration of what it means to move through midlife with clarity, responsibility, and curiosity—when the stakes are no longer theoretical. This is for the generation navigating everything at once:
aging parents, evolving bodies, high-performance careers, and the quiet awareness that how you live now matters. 🎙 Topics include:
midlife health, perimenopause, menopause, testosterone, metabolic health, heart disease, longevity, sleep, stress, cognitive health, GLP-1 medications, preventive medicine, and navigating the healthcare system. 🌍 Now reaching listeners in over 50 countries. Produced independently—rooted in New York City, and shaped by wherever life leads next. Not to tell you what to think—but to help you think more clearly about your health, your time, and your next chapter. Subscribe for intelligent conversations at the intersection of medicine, mindset, and midlife.

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