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How Many Steps Do You Really Need for Health and Weight Loss with Amanda Paluch
For decades, one number has ruled the world of fitness: 10,000 steps. It's on your watch, your phone, maybe even tattooed into your daily to-do list. But what if that number was never based on science at all? Join Holly and Jim as they sit down with Dr. Amanda Paluch, Associate Professor of Kinesiology at the University of Massachusetts Amherst and leader of the Steps for Health Collaborative, an international research consortium pooling data from over 125,000 adults to answer one deceptively si
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134
July 8, 2026
How Many Steps Do You Really Need for Health and Weight Loss with Amanda Paluch
For decades, one number has ruled the world of fitness: 10,000 steps. It's on your watch, your phone, maybe even tattooed into your daily to-do list. But what if that number was never based on science at all? Join Holly and Jim as they sit down with Dr. Amanda Paluch, Associate Professor of Kinesiology at the University of Massachusetts Amherst and leader of the Steps for Health Collaborative, an international research consortium pooling data from over 125,000 adults to answer one deceptively si
133
July 1, 2026
How Hype and Common Sense Shape Our Eating Choices with Tamar Haspel
For 40 years, every time nutrition has found a new villain, the food industry has handed us a new label to go with it: non-fat, no GMOs, gluten-free, no seed oils, and now, non-ultra-processed. We have more experts, more studies, and more food rules than ever before, so why does standing in the grocery aisle still feel like such a guessing game? Join Holly and Jim as they sit down with Tamar Haspel, the James Beard Award-winning Washington Post columnist behind Unearthed and author of To Boldly
132
June 24, 2026
The Science and Realities of Long-Term GLP-1 Use
Losing weight on a GLP-1 medication can feel like magic until the scale stops moving. For almost everyone on these drugs, there comes a moment when the rapid progress slows, then stalls completely. Is the medication failing? Has your metabolism adapted? Did you do something wrong? For most people, that moment feels like a problem. It isn't. Join Holly and Jim as they unpack one of the most misunderstood parts of the GLP-1 journey: the shift from losing weight to keeping it off. You'll discover w
131
June 17, 2026
The Hidden Influence of Community and Environment with Christina Economos
What if the biggest obstacle to your health isn't your willpower, it's your zip code? Most of us have been raised to believe that weight and health come down to personal choices: what you eat, how much you move, how disciplined you are. But what if the deck has been stacked against millions of Americans before they ever make a single decision? This week, Holly and Jim sit down with Dr. Christina Economos, Dean of the Friedman School of Nutrition Sciences and Policy at Tufts University, to explor
130
June 10, 2026
The Rise and Fall of Popular Diets Over 100 Years
If you've spent years hopping from one diet to the next: low fat, then low carb, then keto, then intermittent fasting, you're not alone, and you're not failing. The truth is, the diet world has been cycling through the same promises, the same villains, and the same disappointments for nearly a hundred years. And most of us never stop to ask why. Join Holly and Jim as they do something they've never done before on the show: step back and take a decade-by-decade look at almost 100 years of dieting
129
June 3, 2026
Why Dietitians Matter More Than Ever with Maha Tahiri
Millions of people are now taking GLP-1 medications and losing weight, but is eating less the same as eating better? The answer, according to today's guest, is a resounding no. And almost nobody in medicine, food, or public health is talking seriously about what happens when appetite disappears, but nutritional needs don't. Join Holly and Jim as they sit down with Dr. Maha Tahiri, a nutrition scientist, food industry strategist, and founder of Nutrition Sustainability Strategies, for one of the
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