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PODCAST

The Obesity Doctor Podcast

Weight, health, and metabolism — without extremes or oversimplification. Hosted by Internal Medicine and Obesity Physician Dr. Sasha High, this podcast explores the biology of weight, the reality of behaviour change, and the nuance often missing from mainstream conversations. From GLP1 medications to emotional eating, from metabolic health to mindset, you"ll get practical, evidence-based insights without extremes or oversimplification. This podcast is for those who want to understand their

health & fitness medicine

All Episodes

1:57

The High on Life Podcast is now THE OBESITY DOCTOR...

The Obesity Doctor Podcast ·

2026/04/07

Hi everyone, I have a quick update I want to share.The High on Life Podcast has a new name! It’s now The Obesity Doctor Podcast. I loved the old name — it was fun and fit my personal brand — but over time I realized the conversations here have become very clearly rooted in obesity medicine. We talk about the biology of weight, behaviour change, medications, metabolism, mindset, psychology… and the realities of navigating all of that in real life. This shift is about better alignment —

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28:34

175. Fueling > Restriction: Lessons for Metabolic Health

The Obesity Doctor Podcast ·

2026/04/06

In this episode, I share how marathon training reshaped the way I think about food—and how those lessons apply to weight loss and metabolic health. Many people assume that eating less is the key to losing weight, but restriction can actually backfire, slowing metabolism and increasing cravings.I walk through the five most important lessons I’ve learned:1. Fuel for energy, not just calories – Nourishing your body properly supports metabolism, fat loss, and mental clarity.2. Hunger is a

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15:48

174. Scarcity vs Abundance (it's in the little things)

The Obesity Doctor Podcast ·

2026/03/30

Scarcity isn’t just about lacking resources—it’s a mindset that shows up early and often. I see it in how we eat (finishing food, eating when not hungry, “last supper” thinking), and how that drives the restrict–overeat cycle. This isn’t a discipline problem—it’s a natural response to perceived scarcity.On today’s podcast, we talk about how to shift this in a practical way: creating consistency with meals and nutrition reducing urgency around food building trust in your body and your

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23:19

173. Eating for Body Recomposition: Lose Fat Without...

The Obesity Doctor Podcast ·

2026/03/09

In this episode, we break down how to lose fat without sacrificing muscle so your metabolism stays strong and your results actually last.The ProblemExtreme calorie cutting, like eating 1,200 calories per day, may lead to quick weight loss but often at the cost of muscle. Losing muscle slows your metabolism and makes weight regain more likely.The Smarter Approach: Body Recomposition1. Create a Small Calorie Deficit Reduce intake by about 200 to 300 calories instead of drastically cutting. If

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28:23

172. GLP-1s & Muscle: Should We Be Concerned?...

The Obesity Doctor Podcast ·

2026/03/02

GLP-1 medications are either wildly overhyped or harshly criticized depending on the week—and one of the loudest concerns right now is that they “cause muscle loss.” In this episode, I’m digging into what the research actually shows about lean mass changes on GLP-1s, what’s being misunderstood online, and what patients and clinicians can do to protect muscle while still benefiting from these powerful therapies. To help me unpack this, I’m joined by Dr. Michael Tsoukas, Associate Professor

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42:07

171. Strength is Health: Muscle and Metabolic Health...

The Obesity Doctor Podcast ·

2026/02/16

In this episode, I’m joined by Dr. Michael Beyaert — a General Internist trained at the University of Toronto with a special interest in cardiovascular disease. With a background in Nutrition and Dietetics (Western University) and a Master’s in Neuroscience (McMaster), he brings a rare, practical lens to metabolic health that connects medicine, nutrition, and the brain.We dig into what body composition actually means, why visceral fat is so metabolically harmful, and why muscle and

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26:02

170. Why Eating 1,200 Calories Is Working Against You

The Obesity Doctor Podcast ·

2026/02/09

If you feel like you’re barely eating but still not losing weight, this episode is for you.We break down why very low-calorie diets—like 1,200 calories or less—often backfire, slow your metabolism, and disrupt key hormones like leptin. You’ll learn how chronic under-eating keeps your body in conservation mode, why hunger and low energy persist even after dieting ends, and what actually supports long-term fat loss instead.We cover sustainable eating, mechanical meals, protein needs, strength

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45:19

169. Appetite Literacy: Understanding Hunger,...

The Obesity Doctor Podcast ·

2026/02/02

In this episode, I sit down with Dr. Ashley White to explore a concept that’s missing from most conversations about obesity treatment: appetite literacy.Together, we talk about why hunger, fullness, cravings, and wanting aren’t problems to suppress, but physiological signals to understand—and how dieting, stress, and modern food environments disrupt those signals. We explore how appetite is regulated in the brain, why willpower-based models fall short, and how appetite literacy fits into

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20:54

168. Don’t Believe Everything You Hear: How to...

The Obesity Doctor Podcast ·

2026/01/28

168. Don’t Believe Everything You Hear: How to Interpret Health Information OnlineIn this episode, I talk about why so much health information online sounds confident, compelling—and often overwhelming—and how to think more clearly about what you’re hearing.We explore why extreme health claims are so persuasive, how algorithms reward confidence over nuance, and why popularity doesn’t equal accuracy. I walk through a practical framework I use to evaluate health claims—looking at anecdotes,

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29:05

167. Why “Do Not” Goals Backfire (and How “Do” Goals...

The Obesity Doctor Podcast ·

2026/01/19

Episode 167: Why “Do Not” Goals Backfire (and How “Do” Goals Improve Consistency)In this episode, I break down one of the most common goals I hear from women—“I need to stop snacking at night”—and why goals like this almost always fail. Not because of a lack of discipline, but because they ignore physiology. “Do not” goals create a metabolic void: the brain is told what to avoid, but the body’s needs for energy, protein, blood sugar stability, muscle preservation, and nervous system

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15:01

166. 3 Pillars of Healthy Eating for Sustainable...

The Obesity Doctor Podcast ·

2026/01/12

166. 3 Pillars of Healthy Eating for Sustainable Weight Loss with Tedi Glik, RDTired of quick-fix diets that never last? In this episode, we break down the foundations of healthy eating for sustainable weight loss—without calorie counting, restriction, or dieting gimmicks.You’ll learn how to:→Shut off hunger hormones and turn on satiety signals→Reduce cravings and balance key hormones like insulin→Naturally eat fewer calories without feeling deprived3 Pillars We Cover:1. Prioritize Whole

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65:26

165. Become the Woman Who Trains: Consistency,...

The Obesity Doctor Podcast ·

2026/01/05

165. Become the Woman Who Trains: Consistency, Confidence, and Strength at Any Age with Coach Tina McInnesWe're kicking off a brand new year with the perfect conversation: how to build consistency, confidence, and real strength — no matter your age, stage, or starting point.So many women WANT to be consistent with exercise, but life, perfectionism, and unrealistic expectations often get in the way. In this episode, we talk honestly about how to overcome those barriers, start where you are,

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28:59

164. Start 2026 with the Right Mindset (REPLAY)

The Obesity Doctor Podcast ·

2025/12/29

164. Start 2026 with the Right Mindset (REPLAY)Join me for a special New Year’s Eve episode where I share 5 principles and 3 actionable tools to help you set yourself up with the right mindset for success in 2026. This episode first aired last year and I thought it was super valuable to revisit! Learn how to move beyond fleeting resolutions and instead build meaningful habits that align with your goals and values. Whether your focus is on health, weight loss, or general self-improvement,

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28:59

163. Don't Wait for January: Why December is Perfect...

The Obesity Doctor Podcast ·

2025/12/22

163. Don't Wait for January: Why December is Perfect for Your Health Goals (REPLAY)In today’s REPLAY episode of High on Life, I discuss why December (with all the holidays and treats!) is actually the best time to focus on your health and weight loss goals. Rather than waiting for the New Year to roll around, I’m challenging my listeners to break free from the mindset that you need the “perfect time” to start and encouraging you to take small, manageable steps toward health and

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13:42

162. Navigating Eating During the Holidays

The Obesity Doctor Podcast ·

2025/12/15

162. Navigating Eating During the HolidaysHoliday triggers are real — food pushers, pressure to “just try a little,” the sweets table, and the fear of offending someone. It can feel like a lot. In today’s episode, we dive into simple, compassionate tools to help you stay aligned with your goals, including:→Setting your mindset for success→Planning for social events without overwhelm→Shifting out of the scarcity mindset around holiday foodIf you want community and coaching to help you

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6:33

Retatrutide - Top-Line Results from TRIUMPH 4

The Obesity Doctor Podcast ·

2025/12/11

In this quick update, I break down the newest Phase 3 data for retatrutide, Lilly’s investigational triple-agonist medication showing unprecedented results in obesity and knee osteoarthritis.Highlights: Up to 28.7% weight loss (~71 lbs) over 68 weeks 75% reduction in knee pain and major improvements in physical function Cardiometabolic benefits: lower triglycerides, non-HDL cholesterol, hsCRP, and blood pressure We also cover Common side effects and safety signals Perceived excessive

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31:34

161. The Overlap between Binge Eating Disorder and...

The Obesity Doctor Podcast ·

2025/12/09

161. The Overlap between Binge Eating Disorder and Obesity (Part 2) In this episode, I’m breaking down the difference between Binge Eating Disorder (BED) and the emotional or hedonic eating patterns we often see in obesity. While BED and obesity can overlap, they’re not the same — and treatment looks very different for each. I share who to screen for BED, how to ask about eating behaviours with compassion, and the most effective treatment options, including CBT-ED, nutrition therapy, and

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20:35

160. Eating Disorders vs. Obesity-Related Eating...

The Obesity Doctor Podcast ·

2025/12/01

160. Eating Disorders vs. Obesity-Related Eating Behaviours (Part 1)In today’s episode, I walk through the spectrum of disordered eating — from everyday overeating to clinically significant eating disorders like binge eating disorder and bulimia nervosa. I explain how these behaviours differ, where they overlap, and why so many people feel confused about their relationship with food. I also cover the science behind appetite, reward pathways, and why some individuals are more vulnerable

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28:08

159. Nutrition in the Menopause Transition

The Obesity Doctor Podcast ·

2025/11/24

159. Nutrition in the Menopause TransitionIn this episode of High on Life, we dive into one of the most common and confusing challenges women face during the Menopause transition: understanding how to nourish their changing bodies. Registered dietitian and Best Weight coach, Tedi Nikova, RD, MPH, breaks down what’s really happening with hormones like estrogen, testosterone, and insulin—and how these shifts impact hunger, metabolism, and fat distribution. You’ll learn clear, sustainable

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27:19

158. How to Build Resilience When You Want to Quit

The Obesity Doctor Podcast ·

2025/11/17

Episode 158 — How to Build Resilience When You Want to Quit In this episode, I’m talking about what to do when you hit that wall — when motivation fades, things feel hard, and you just want to give up. Resilience isn’t about being tough or forcing your way through. It’s about how quickly you can recover, adapt, and get back into action when life throws challenges your way. I share the psychology and neuroscience behind resilience — what’s happening in your brain when you want to quit, and

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