Live Long and Well with Dr. Bobby

Dr. Bobby Dubois
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  • 健康與瘦身
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Let's explore how you can Live Long and Well with six evidence based pillars:  exercise, good sleep, proper nutrition, mind-body activities, exposure to heat/cold, and social relationships.  I am a physician scientist, Ironman Triathlete, and have a passion for helping others achieve their best self.

  1. 2 天前

    #49: What you eat effects how much you eat

    Send us a text Join my first live wellness workshop on October 2 at 6 PM CT, where we’ll tackle the question: Does Health Need to be a Full-time Job? It's free.  Sign up here. Can the type of food you eat influence how much you eat? In this episode, I explore how calorie density, texture, protein content, hydration, and even your perception of food can all affect fullness—and how understanding these levers can help you better manage your weight without feeling deprived. We start by revisiting the foundational idea that maintaining a healthy weight impacts your risk of heart disease, diabetes, and cancer. While previous episodes discussed eating slowly and using smaller plates, today’s focus is on how the specific foods you choose can directly affect how much you consume. Drawing from both personal anecdotes—like my wife Gail’s success with a no-flour, no-sugar approach—and recent science, I explore five key factors. First, calorie density plays a powerful role. In a randomized crossover trial, participants ate 813 more calories per day when consuming ultra-processed foods, even though meals had identical calories and macronutrients. Foods engineered to be hyper-palatable often pack in calories without promoting fullness. Next, we dive into satiety—that subjective feeling of fullness. A Satiety Index study found that boiled potatoes, oatmeal, apples, and beef left participants feeling fuller than white bread or croissants. Why? One reason might be energy density, as demonstrated in another trial where high-fat lunches led participants to eat nearly 500 extra calories. We also explore food texture. In a study comparing soft vs. hard meals, participants consumed 20% more from softer options. A similar principle applies to fruit vs. fruit juice, where a five-week trial showed that eating a whole apple before a meal reduced calorie intake by 187 calories compared to juice. Protein also emerges as a standout. In a small study, a protein-based snack delayed hunger by 60 minutes—far more than fat or carbs. And then there’s hydration. Drinking water before meals may curb appetite, supported by a randomized trial and a systematic review showing that two cups of water before each meal led to significant weight loss over 3–12 months. Finally, we can’t ignore the psychological piece. In the “sham milkshake” study, participants felt fuller—and had altered hunger hormone levels—based solely on what they thought they were consuming. Mind over matter, indeed. Throughout the episode, I encourage listeners to explore these ideas with an N of 1 trial, as detailed in Episode 27 Try a protein-rich snack before dinner or a glass of water before meals and see how it changes your appetite.

    23 分鐘

  2. 9月9日

    #48: How to Live Long and Well Without Making Health a Full-Time Job

    Send us a text Are you doing too much in the name of health? Between supplements, saunas, organic food, and brain games, wellness can feel like a second full-time job. In this episode, I help you filter the noise and focus on what really matters—so you can live long and well without losing your joy in the process. We break down: The true opportunity cost of wellness routines like cold plunges, meditation, and restrictive dietsThe Pareto Principle (80/20 rule) in health: How to get 80% of the benefit with 20% of the effortThe “Big 6” evidence-based habits that actually move the needle on longevity and functionHow to personalize your wellness plan based on lifespan, healthspan, and joyspanYour health type: Are you a Holistic Hacker or a Contentment Creator? Take the quiz to find out.🧠 Referenced Research & Data: 1 in 2 men and 1 in 3 women will develop cardiovascular disease in their lifetime (PubMed)Stroke and dementia share many preventable risk factors like blood pressure and exercise (Alzheimer’s Association)4 in 10 people will get cancer in their lifetime (American Cancer Society)Americans spend ~9 hours sleeping and ~4 hours on leisure daily (Bureau of Labor Statistics)🎯 Takeaways: Not all health habits are equally impactful. Focus first on sleep, blood pressure, cholesterol, weight, exercise, and screenings.Prioritize based on what you value: functional longevity or joyful living—or both.Give yourself permission to not do it all. Your health plan should be sustainable, not exhausting.🔗 Mentioned Tools: Live Long & Well Quiz Episode 13: Preventing Cognitive DeclineEpisode 18 & 37: Reducing Cardiovascular RiskEpisode 21: What’s Your Health Type?🧘‍♂️ Whether you’re a Purposeful Path Planner or a Holistic Health Hacker, this episode helps you reclaim your time, your joy, and your long-term health. 🔔 Subscribe for research-backed health insights in under 30 minutes—without the wellness overwhelm.

    34 分鐘

  3. 8月28日

    #47 Do Organics Really Make You Healthier-Or Just Poorer?

    Send us a text Organic food often sounds like a smarter, healthier choice—but is it really worth the extra cost? In this episode, we dig into the scientific evidence behind organic foods, pesticide risks, and whether you're buying better health or just paying for a better-sounding label. We begin by breaking down the steep price differences between organic and conventional food. According to the USDA, Americans spend roughly $1 trillion annually on food at home, averaging over $3,100 per person. Organic options can increase grocery bills by 50% or more, as LendingTree reports in this price comparison analysis. My own market trip found Fuji apples nearly double in price, and wild-caught salmon more than twice as expensive. But do organics deliver better health outcomes? Most organic foods contain lower pesticide residues, which 85% of Americans cite as a concern. Yet research shows these lower levels don’t clearly translate to better health. Rodent studies show harm at extremely high pesticide doses, far above what’s found in conventional produce. Human risk data mostly comes from farm workers, not everyday consumers. A 2023 meta-analysis of 50 studies found that organic diets reduced blood pesticide levels and increased plant-derived phenolics, but showed inconsistent results for antioxidants. Cancer data is also mixed. One observational study found no clear differences across 15 cancer types. Another study of 68,000 participants linked organic food with perhaps a  0.6% lower risk of cancer incidence (JAMA Internal Medicine). However, organic eaters also are more likely health oriented (perhaps exercise more, sleep better), so lifestyle may explain the difference—not the food alone. I ran the numbers: avoiding one case of cancer might require 150 people to eat organic, costing about $300,000 in additional food expenses to avoid 1 cancer. And since organic prices may lead families to buy less produce overall, there’s a tradeoff. We know from a meta-analysis that increasing fruit and vegetable intake (organic or not) is linked to a 13% reduction in mortality and a 35% drop in cancer risk. That’s a far more impactful move. If you’re looking for a middle ground, consider using the Environmental Working Group’s Dirty Dozen and Clean 15 lists. While not a neutral source, their rankings can help prioritize which foods might be worth buying organic. Washing produce also helps reduce, but not eliminate, pesticide residues. Takeaways: Organic foods have lower pesticide levels but no clear, consistent health advantage.The biggest health gain comes from eating more fruits and vegetables—regardless of whether they’re organic.If organic costs limit your produce intake, stick with conventional and focus on volume, variety, and other wellness investments like better sleep or exercise.As always, I’d love to hear what you think. Does this shift how you shop? Let me know—and share this episode with someone navigating the same choice.

    32 分鐘

  4. 8月19日

    #46 Why the US Spends So Much on Health Care

    Send us a text Why are U.S. health care costs so high—and what does that mean for you and your family? In this episode, I dive into the real reasons behind America’s staggering health care bills. We start with a story that hits close to home—a $189,000 outpatient cancer surgery bill followed by $12,000-a-month immunotherapy—and I unpack how even with Medicare coverage, the pricing dynamics can feel shocking. Using my experience as a physician and health policy researcher, I explain why these massive charges happen and where the system is breaking down. At the national level, we now spend over $5 trillion a year on health care—roughly 18% of our GDP—and this number is growing far faster than inflation. This growth threatens the solvency of key programs like Medicare, which is projected to run out of funds by 2033 (Health Affairs). Employers are also feeling the pinch, with average family coverage costs now topping $25,500 annually (WSJ). Individuals, especially those using ACA exchanges, face rising premiums—some increasing by 20–30% next year (Axios)—and deductibles between $3,000 and $5,000 are now typical. Despite all this spending, our health outcomes are among the worst in the developed world. The U.S. ranks 33rd in infant mortality and 32nd in life expectancy out of 38 OECD countries, even though we spend about $12,000 per person annually—nearly three times the OECD average (America's Health Rankings). So, what drives these costs? It boils down to three factors: high prices, high utilization, and high administrative overhead. Prices for common procedures are far above international norms—a CT scan in the U.S. costs around $900 compared to $279 in the Netherlands and just $97 in Canada (Health Imaging). U.S. physicians, nurses, and hospital executives also earn significantly more, contributing to overall spending (Medscape; JAMA). On the utilization front, studies estimate that around 25% of all care may be unnecessary, driven by defensive medicine, patient expectations, and incentive structures that reward more procedures—not necessarily better outcomes (PGPF; Choosing Wisely). Even administrative overhead plays a massive role: nearly 25% of U.S. health care spending goes to bureaucracy—four times what’s typical in simpler, single-payer systems (Health System Tracker; Health Affairs%20of%20US%20GDP)). If you’re wondering why your doctor spends just 17 minutes with you or why your premiums feel like a second mortgage, this episode offers the context—and data—to help you understand what’s really going on. Takeaways: Start asking about cash prices—especially if you're still in your deductible phase. Preventive steps like regular exercise may offer the highest return on investment when compared to costly downstream care. And above all, consider your plan carefully during open enrollment. For deeper insights, links to all the studies mentioned, and access to my newslet

    31 分鐘

  5. 8月7日

    #46 Can we reduce our risk of stroke?

    Send us a text We often hear about heart disease prevention, but stroke—a condition nearly as common and often more disabling—gets far less attention. In this episode, Dr. Bobby is joined by cardiologist Dr. Anthony Pearson to uncover what science really says about stroke prevention, the distinct types of strokes, and what practical steps you can take today to lower your risk. Together, they explore the two major types of stroke—ischemic and hemorrhagic—and explain why strokes caused by clots or vessel rupture can have very different causes and consequences. The data shows nearly 800,000 Americans experience strokes annually, and about half of survivors live with long-term disability (CDC; NIH). Yet most of us are unaware of the modifiable risk factors that account for up to 90% of stroke risk (INTERSTROKE Study). Dr. Pearson emphasizes the number one culprit: high blood pressure. It triples individual risk and contributes to half of all strokes, with randomized trials like SPRINT showing that aggressive control reduces both stroke and mortality (SPRINT Study). Both doctors also discuss physical activity—while Dr. Bobby cites strong associations between exercise and reduced stroke risk (BMJ Review), Dr. Pearson cautions that current evidence is largely observational and inconclusive. They also explore the role of lipid levels, citing that high ApoB or LDL may increase risk in strokes caused by carotid atherosclerosis, but not necessarily in cardioembolic strokes. Dietary improvements, particularly following a Mediterranean-style diet, have shown benefits, including reduced stroke risk in randomized trials like PREDIMED. Beyond traditional risk factors, they also explore loneliness as a newer area of concern. A recent study linked persistent loneliness in adults over 50 to a 50% increased stroke risk (Lancet eClinicalMedicine), highlighting the complex social and behavioral factors at play. Dr. Pearson discusses atrial fibrillation (AFib) and why it’s a key cause of cardioembolic strokes—especially relevant given that wearables like Apple Watch now help detect AFib early. They also touch on controversial screening approaches, warning against routine carotid ultrasounds and unwarranted treatment of asymptomatic brain aneurysms. Importantly, Dr. Bobby highlights the signs of stroke—sudden weakness, numbness, speech difficulties, or confusion—and urges immediate ER visits to enable timely treatment like thrombolysis, ideally within four hours of symptom onset. As always, they wrap by challenging popular myths. Dr. Pearson explains why aspirin, once widely promoted for primary prevention, is no longer recommended due to increased bleeding risk, especially into the brain. He also debunks the idea that supplements like fish oil or B vitamins help prevent strokes, noting no benefit in recent large trials. Takeaways: Know your blood pressure and cholesterol levels—and treat them if needed. These remain the top modifiable risks for stroke.Prioritize physical activity, even if trial data is imperfect—it benefits vascular health broadly and may reduce stroke risk.Stay socially connected: chronic loneliness has emerging links to stroke risk, highlighting that prevention isn't just physical—it's relational.To continue learning how to live long and well, visit drbobbylivelongandwell.com.

    39 分鐘

  6. 7月29日

    #45 Over Our Skis: Hype Beyond Evidence

    Send us a text Dr. Bobby examines how legitimate medical treatments often get overextended into unproven health claims—why it happens, why it matters, and how to spot it. Building on last episode’s theme of health hype, this installment digs into examples where therapies with real medical uses (like vitamin C, B12, hyperbaric oxygen, and stem cell therapy) are being promoted far beyond what the evidence supports. Dr. Bobby unpacks the flawed logic of “theory plus anecdote plus expert equals evidence” and explains why even well-intentioned health advice can go too far when it skips the evidence. You’ll hear about the historical rise and modern misuse of vitamin C—from preventing scurvy to overstated claims of immune boosting. The episode dives into vitamin B12, which has real benefits for those with deficiencies but is often marketed as a cure-all without support. Hyperbaric oxygen therapy, which is FDA-approved for very specific conditions like carbon monoxide poisoning and diabetic ulcers, is another example—now advertised for fatigue, brain fog, and aging without strong data to back it. And stem cell therapy, which truly helps in leukemia and bone marrow failure, is being extended to treat everything from dementia to heart disease—despite the lack of proven efficacy in these areas. Dr. Bobby then addresses why this happens: patient desperation, the placebo effect, and the sheer momentum of what has been called “Big Wellness”—an industry now worth hundreds of billions. Social media only amplifies these trends, creating fear of missing out and distorting what counts as credible. To help listeners navigate this landscape, Dr. Bobby shares questions to ask when encountering bold health claims. Has the treatment been proven in your condition? Are there peer-reviewed studies in humans? What are the risks and costs—not just financially, but in delaying evidence-based care? Are the promoters benefiting from those beliefs? He encourages all of us to remain open-minded skeptics: curious, informed, and protective of both our health and our wallets. Takeaways: Ask whether the health claim is backed by solid evidence, not just theory and anecdote. Don’t assume treatments with real uses are effective for everything they're marketed for. Before trying the latest therapy, ask: Is this proven for my condition, and what’s the real cost?

    24 分鐘

  7. 7月17日

    #44: Why So Much Hype in Health?

    Send us a text Dr. Bobby unpacks the surge of health hype—from red light therapy to NAD⁺ boosters—and empowers listeners to stay curious yet skeptical using science-backed tools and critical thinking. Are claims like “boost your mitochondria” or “natural detox” real breakthroughs—or today’s version of snake oil? Dr. Bobby explores why health hype is everywhere, why we’re vulnerable to it, and how to sift compelling theories from proven treatments. He outlines examples of widely accepted beliefs that ultimately didn’t hold up to rigorous scrutiny. Inserting stents to open clogged arteries seemed sensible, but studies like the COURAGE and ORBITA trials found no added benefit over medical management (NEJM).  Dr. Bobby then turns to newer fads. Claims around NAD⁺ boosters (like NMN or NR), red light therapy, PRP for knee pain, and hydrogen water often rely on plausible-sounding mechanisms or mouse studies—but currently lack human RCTs to back them up. While these ideas may sound promising, human trials are either missing or preliminary. Why does this hype persist? Financial incentives are everywhere: the U.S. spends over $5 trillion annually on health, and the supplement market alone is worth $150 billion. Influencers, professionals, and even well-meaning providers may promote approaches they financially benefit from. As patients, we’re often eager for solutions to symptoms like fatigue or anxiety—especially when conventional medicine doesn’t have a satisfying answer. This opens the door for pseudoscience, placebo effects, and the viral spread of misinformation. To navigate this environment, Dr. Bobby outlines seven action steps. First, demand human evidence: ask if a treatment has been tested in RCTs, replicated, and proven in diverse populations. He recommends Examine.com for non-biased supplement research and revisiting his episode on evaluating health headlines (#22). Second, follow the money—financial conflicts should raise your skepticism. Third, be alert to hypey language like “miracle cure” or “doctor secrets”—phrases designed to manipulate, not inform. Fourth, understand the placebo effect, especially with vague symptoms. Fifth, ask  questions: “Compared to what?” “In whom?” “For how long?” “With what risks?” These shift the focus from excitement to real evaluation. Sixth, adopt what Dr. Bobby calls the mindset of a curious skeptic—open to ideas, but insistent on evidence. Finally, he urges listeners to consult evidence-literate doctors who will explore with you, both mainstream and emerging treatments with a critical eye—see episode #20 for more on choosing the right provider. Takeaways: Ask, “Has this been tested in people?” before jumping on a health trend. Beware buzzwords and financial conflicts—science, not sales, should guide your decisions. Embrace curiosity, but anchor it in real-world evidence to truly live long and well.

    30 分鐘

  8. 7月8日

    #43 Small Changes, Big Impact

    Send us a text Connect with Dr. Bobby  What is your Health Type:  find out here Provide feedback-answer just a few questions Six surprisingly simple actions mighty meaningfully improve your sleep, eating habits, and overall well-being—and how you can easily test them for yourself. We begin with two sleep-related tips. First, try lowering your bedroom temperature to under 70°F. In a small controlled trial, participants who slept on a cooling mattress fell asleep faster and reported better rest.  The second tip: go to bed at the same time every night. A study in adolescents showed that consistent sleep timing improves how quickly you fall asleep, total sleep duration, and overall sleep quality. Then we dive into three food-focused techniques. Starting meals with protein may help you feel fuller, thanks to effects on hunger-regulating hormones like ghrelin and GLP-1, as explored in this review and systematic analysis.  Next, waiting 20 minutes before going for seconds may give your brain time to register fullness, supported by a study comparing fast and slow eaters.  The fourth tip? Just stand up. There’s no formal data yet, but being upright might affect how full your stomach feels mechanically—something I noticed during long flights when a quick walk dramatically reduced my appetite. Finally, we explore the idea of non-food “snacks” throughout your day. Evidence shows that short bursts of movement as brief as 30 seconds to 5 minutes can improve fitness, particularly in sedentary individuals. Similarly, just five minutes of breathwork has been shown to elevate mood in randomized trials.  But here’s the key: try them for yourself. In Part 2 of the episode, I guide you through using an “N of 1” approach to test each strategy. Start by measuring a baseline (using wearables, a sleep journal, or a validated sleep questionnaire). Then try one of these approaches for a few days or a week. Reassess and see what happens.  Takeaways: Sometimes, the most powerful health strategies aren’t the hardest—they’re just the ones you haven’t tried yet.

    21 分鐘
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簡介

Let's explore how you can Live Long and Well with six evidence based pillars:  exercise, good sleep, proper nutrition, mind-body activities, exposure to heat/cold, and social relationships.  I am a physician scientist, Ironman Triathlete, and have a passion for helping others achieve their best self.

資訊

  • 創作者
    Dr. Bobby Dubois
  • 活躍年代
    2024年 - 2025年
  • 集數
    51
  • 年齡分級
    兒少不宜
  • 版權
    © 2025 Live Long and Well LLC
  • 節目網站
    Live Long and Well with Dr. Bobby

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