The Science Behind Cold Plunges, Saunas, and Contrast Therapy: A Doctor Explains

The Science Behind Cold Plunges, Saunas, and Contrast Therapy: A Doctor Explains

Cold plunges. Ice baths. Saunas. Contrast therapy has taken over social media, with influencers and athletes claiming that alternating between hot and cold can speed muscle recovery, reduce inflammation, improve circulation, boost mental health, and even make you more resilient. But does the science actually support those claims? In this episode of Health vs. Hype, host Trace Dominguez explores what happens inside your body when you switch between heat and cold, why a cold plunge can leave you feeling energized and euphoric, and whether contrast therapy delivers more than a temporary boost. Joined by sports medicine physician Dr. Chelsea Evans, Trace separates the evidence from the hype, explaining what research shows about pain relief, athletic recovery, circulation, mood, and long-term health benefits—and who should think twice before taking the plunge. See omnystudio.com/listener [https://omnystudio.com/listener] for privacy information.

Intermittent Fasting Explained: Benefits, Risks, Weight Loss & What Doctors Really Think

Intermittent fasting has become a big wellness trend online , but does the science actually support the hype? In this episode of Health vs Hype, host Trace Dominguez digs into the medical evidence behind intermittent fasting with obesity medicine specialist Dr. Jen Schriever. Together, they break down the biggest claims surrounding fasting, including weight loss, insulin resistance, metabolic health, autophagy, mental clarity, longevity, and “metabolic reset.” You’ll hear real experiences from intermittent fasting advocates Gin Stephens and Al Kavadlo, alongside expert analysis about what current research actually shows and where the evidence is still weak. Is intermittent fasting better than traditional calorie restriction? Can fasting improve blood sugar or help prevent disease? And who should avoid fasting altogether? This episode explores: * The science of intermittent fasting and weight loss * Insulin resistance, blood sugar, and metabolic health * Claims about autophagy, longevity, and cellular repair * Mental clarity and cognitive benefits * Risks for people with diabetes or eating disorders * Intermittent fasting vs GLP-1 medications like Wegovy and Zepbound * Why diet quality still matters more than eating windows If you’ve ever wondered whether intermittent fasting is truly healthy, or just another overhyped wellness trend, this episode separates evidence from marketing. See omnystudio.com/listener [https://omnystudio.com/listener] for privacy information.

Do Detoxes Work? The Truth About Cleanses, Juice Fasts, and Toxins

Can detox teas, juice cleanses, and parasite cleanses actually flush toxins out of your body or is the wellness industry overselling the science? In this episode of Health vs Hype, Trace sits down with gastroenterologist Dr. David Purow to unpack one of the biggest wellness trends online: detoxing. Together, they break down what toxins really are, how the body naturally detoxifies itself, and why many popular detox products may be unnecessary or even harmful. The episode explores social media claims surrounding heavy metals, microplastics, “detox pathways,” parasite cleanses, brain fog, bloating, inflammation, and fatigue. You’ll hear insights from wellness creator Mina Adams alongside evidence-based medical perspectives on whether detox regimens actually work. You’ll also hear from Steve Lutsk, an online fitness coach and detox doubter.  Dr. Purow explains how the liver, kidneys, lungs, skin, and even the brain already have built-in systems designed to remove waste and harmful substances. He also discusses why healthy habits like sleep, hydration, nutrition, movement, and exercise support the body far more effectively than trendy and expensive detox products or quick-fix cleanses. The conversation also tackles: * Juice cleanses and detox teas * Parasite cleanse trends on TikTok and Instagram * Heavy metals and microplastic fears * “Resetting” your gut or digestive system * The psychology of wellness quick fixes If you’ve ever wondered whether detoxes are science-backed, this episode separates health facts from wellness hype. See omnystudio.com/listener [https://omnystudio.com/listener] for privacy information.

VO2 Max Explained: Does This Viral Fitness Metric Actually Predict Health & Longevity?

VO2 Max is everywhere, from fitness trackers and smartwatches to social media and even dating profiles. But what does this number actually mean for your health? In this episode of Health vs. Hype, we break down the science behind VO2 Max (maximal oxygen consumption) and whether it truly deserves its status as the ultimate fitness and longevity metric. With insights from cardiologist Dr. Robert Maynard and real-world experiences from elite athletes and everyday runners, we explore: * What VO2 max measures, and how it reflects cardiovascular, respiratory, and muscular health * Whether smartwatch VO2 Max estimates are accurate (and how they compare to lab testing) * How VO2 Max relates to longevity, heart disease risk, and overall fitness * Why this single number doesn’t tell the whole story about your health or performance * When VO2 Max testing is useful and when it might be unnecessary (or even overkill) You’ll hear firsthand what it’s like to take a clinical VO2 Max test, why the metric has gone viral, and how to use it without getting obsessed with the number. Bottom line: VO2 Max is one of the most powerful predictors of health but it’s not the only one that matters. If you’ve ever wondered whether your fitness tracker’s VO2 Max score is meaningful, or just hype, this episode has your answer.   To learn more, visit: amahealthvshype.org [https://amahealthvshype.org/] See omnystudio.com/listener [https://omnystudio.com/listener] for privacy information.

Creatine for Muscle, Aging, and Brain Health: What the Science Really Says

Creatine has officially gone mainstream, but is it actually worth the hype? Once known as a “gym bro” supplement, creatine is now trending across TikTok and Instagram for everything from muscle growth to brain health and longevity. In this episode of Health vs. Hype with the American Medical Association, host Trace Dominguez cuts through the noise to answer two simple questions: what does creatine really do and who should be taking it? Featuring insights from Chief Medical Officer Dr. Jason Mitchell, fitness influencer Tony Coffey, and twin sisters, Cynthia Heyd and Leslie White exploring creatine for healthy aging, this episode breaks down the science behind one of the most researched supplements on the market. We explore: * How creatine works in the body and why it boosts performance * The truth about muscle gain, weight changes, and fat loss claims * Whether creatine is safe (and who should avoid it) * The difference between creatine monohydrate and trendy alternatives * The rising hype around brain health and what the research actually says Along the way, we unpack common misconceptions, influencer-driven marketing tactics, and the “magic pill” mindset fueling creatine’s viral popularity.   To learn more, visit: amahealthvshype.org [https://amahealthvshype.org/] See omnystudio.com/listener [https://omnystudio.com/listener] for privacy information.