Apr 15
Tip or skip? What drives our tipping behavior, with Michael Lynn, PhD
Tipping has long been a part of service culture in the U.S., but in the last few years, the number of places where we're asked to tip has multiplied. Social psychologist and tipping researcher Michael Lynn, PhD, discusses “tip creep” and how digital payment screens are reshaping ... Show More
26m 22s
Apr 8
The psychology of spending, debt and budgeting, with Abigail Sussman, PhD
Buy now, pay later plans have skyrocketed in popularity in recent years, adding yet another variable to consider when making spending decisions. Abigail Sussman, PhD, discusses the psychological biases that influence how we spend, budget and borrow, including why splitting paymen ... Show More
34m 14s
Apr 1
Why babies laugh, with Gina Mireault, PhD
Before babies have the words to tell us what they're thinking, they can laugh. Developmental psychologist Gina Mireault, PhD, explains how she sets up a “baby comedy club” in her lab; what babies find funny and why; when babies start trying to make other people laugh; and what st ... Show More
29m 21s
Oct 2025
#368 ‒ The protein debate: optimal intake, limitations of the RDA, whether high-protein intake is harmful, and how to think about processed foods | David Allison, Ph.D.
View the Show Notes Page for This Episode Become a Member to Receive Exclusive Content Sign Up to Receive Peter's Weekly Newsletter David Allison is a world-renowned scientist and award-winning scientific writer who has spent more than two decades at the forefront of obesity rese ... Show More
1h 49m
Jul 2024
#831 Plant Based Diets Make You Weak, "We Got Carnivore Wrong!" This is the #1 Diet For Weight Loss, Anti-Aging & Preventing Disease with Dr. Robert Kiltz
Today, I am blessed to have Dr. Robert Kiltz here with me. He is the Founder and Director of CNY Fertility, one of the largest and most innovative fertility practices in the country, with over 60% of its patients traveling from out of state or overseas to be seen. Over more than ... Show More
1h 3m
Feb 2025
The Ultimate Protein Blueprint: How to Build Strength & Live Longer | Dr. Donald Layman
Today, I welcome Dr. Donald Layman back to The Dr. Gabrielle Lyon Show for a deep dive into his decades of protein research, the flaws in dietary guidelines, and the evolving landscape of nutrition. Together, we explore the real reasons behind the obesity epidemic, why decades of ... Show More
2h 2m
Oct 2021
Episode #56 - With Dr. T. Colin Campbell
Hi I'm, Dr. Otto Janke and today we will be speaking to Dr. T. Colin Campbell about nutrition, the difference between plant and animal nutrition, the studies that show the correlation between animal protein and disease, and why it is important to eat whole, plant-based foods. <hr ... Show More
39m 45s
Mar 2025
#556: Can We Restore the Gut Microbiome Through Dietary Changes? – Anissa Armet, PhD
<p>There is research suggesting that industrialization has significantly altered the composition of our gut microbiota, with certain microbial species now absent in many industrialized populations.</p> <p>Given the known associations between gut microbiome diversity and health, r ... Show More
1h 6m
Feb 2025
The Truth About Nutrition: How You Can Take a Science-Based Approach | Bradley Johnston PhD
Misinformation in nutrition is rampant. From demonizing red meat to hyping plant-based diets, conflicting advice has left many people confused about what’s truly evidence-based. In this episode, I am joined by Dr. Bradley Johnston, an expert in evidence-based nutrition and public ... Show More
1h 30m
Advocates of cultured meat say that it could help solve many environmental and animal welfare problems. But psychologists have found that some consumers say they’d be reluctant to try it. Matti Wilks, PhD, and Daniel Rosenfeld, PhD, discuss the psychological factors at play when people consider eating lab-grown meat -- and meat in general -- and how moral va ... Show More
<p dir="ltr"><strong>Protein — how much do we need? What's the healthiest way to consume it? Can we get enough from plant-based diets?</strong></p> <p dir="ltr">Until recent decades, protein hasn't been quite as prominent in public health discussions as sugar and fats. However, ... Show More
