Modern technology – from thermostats to puffy jackets – keeps us from ever feeling too hot or cold. The result of this thermoneutrality: lower metabolic rates, decreased resilience, and poorer health. In this episode, Jeff and Jake discuss how to exercise your body’s innate adaptive abilities and get reacquainted with temperature extremes. This podcast is su ... Show More
Nov 5
Plastic, MAHA, and a New Congress with Chef Johanna Hellrigl
Voters just sent Washington a message. Chef Johanna Hellrigl will be watching what happens next from four blocks away. Johanna is a James Beard semifinalist, food-systems advocate and chef-owner of Ama, a restaurant built on farm-direct organic ingredients and a kitchen she has w ... Show More
1h 17m
Oct 31
Don’t Trust the Experts? Media, Big Pharma, and Real Skepticism
Somewhere between “trust no one” and “trust the experts” is a harder and more honest position. In this episode, Jeff looks at the two sides of a growing cultural standoff. On one side are the compulsive contrarians, who distrust every institution. On the other are the contrarians ... Show More
23m 50s
May 2025
Saunas, cold exposure, and your health: what the science says | Dr. Susanna Søberg & Prof. Tim Spector
Unwrap the truth about your food 👉 Get ZOE’s new app Most of us avoid the cold. We crank up the heating, bundle up in layers, and curse every icy gust of wind. But what if freezing — or even sweating — could be the key to better health? In this episode, Jonathan is joined by tw ... Show More
1h 2m
Jul 2022
The Benefits Of Hot And Cold Therapy & Other Longevity Hacks
This episode is brought to you by Rupa Health, Levels, and HigherDOSE. I’m willing to bet all of us would feel a whole lot better about aging if it didn’t actually mean feeling old. Well, I’m here to tell you it doesn’t have to; aging can mean another year of joy, adventure, and ... Show More
1h 2m
Oct 2021
Using Temperature To Optimize Performance, Brain & Body Health | Dr. Craig Heller
This episode I am joined by Dr. Craig Heller, Ph.D., Professor of Biology at Stanford University and world expert on the science of temperature regulation. We discuss how the body and brain maintain temperature under different conditions and how most everyone uses the wrong appro ... Show More
1h 46m
Nov 2023
How to Avoid Death by Comfort
Nietzsche's maxim, "What doesn't kill you makes you stronger," isn't just a sound philosophical principle. It's also a certifiable physiological phenomenon; toxins and stressors that could be deadly in large doses, actually improve health and resilience in smaller, intermittent o ... Show More
56m 26s
Jan 2022
Exercise, Heat, Cold & Other Stressors for Longevity | Episode 3
In Episode 3 of the Lifespan Podcast, Dr. David Sinclair and Matthew LaPlante dive deeply into the science of non-dietary interventions that mimic adversity and promote health. They begin by highlighting how different types of physical activity (i.e., low-intensity aerobic exerci ... Show More
1h 11m