Where did the advice to not lift heavy weight...

How much resistance training do you actually need, and is there a point where more stops helping? We trace the "lift weights twice a week" recommendation back to the 1989 study it came from, which found that three days beat two, and to the citation loop that turned it into a guid ...  Show more

Parts of the country now get a few weeks of wildfire smoke every year, and the obvious question is whether there is a point where the air is bad enough that the workout costs you more than it gives you. We went and looked. There is a real number, it comes from about 1.5 million p ...  Show more

Today I’m speaking with Dr. Stacy Sims, a leading expert in exercise physiology and nutrition science, to delve into the unique physiological differences between men and women. In this episode, we explore how the menstrual cycle impacts women’s training and performance, and th ...

In today's episode, I had the chance to speak to muscle physiology researcher and science communicator Dr. Lauren Colenso-Semple. Together, we unpack the common claims around hormones and training—from whether you should change your workouts based on your cycle, to the real effec ...  Show more

In this episode, my guest is Dr. Stacy Sims, Ph.D., an exercise physiologist, nutrition scientist, and expert in female-specific nutrition and training for health, performance, and longevity. We discuss which exercise and nutrition protocols are ideal for women based on their age ...  Show more

Today's episode is a MUST listen. 

You will learn the surprising science of women’s exercise and nutrition, the mistakes you’re making, and the simple changes that lead to better health and longevity. 

For way too long, fitness and nutrition have been based on rese ...