This episode I discuss endurance: our ability to perform effort over extended amounts of time. I describe the four kinds of endurance: muscular endurance, long ...

In this episode, I describe how our brain and nervous system control muscle tissue and how to leverage that for muscle maintenance, growth (hypertrophy) and ...

This episode I describe the science of fat loss, including how fat is mobilized and oxidized (burned) and how to increase fat burning by leveraging the nervous ...

This episode I discuss the science and practice of learning physical skills: what it involves at a biological level, and what to focus on during skill learning ...

This episode I explain the science of heating and cooling the body, a process called thermoregulation– and how to apply that knowledge to significantly ...

This episode I describe the biology of two essential hormones we all make: cortisol and adrenaline (also called epinephrine). Cortisol and adrenaline ...

This episode discusses metabolism and how our thyroid hormone and growth hormone control our metabolism. I also clarify that metabolism isn’t just about ...

This episode I discuss how hormones from our gut, liver, pancreas and brain control our appetite–and the specific tools we can use to adjust those ...

In this episode, I discuss testosterone and estrogen hormones and how they impact the brain, body, and behavior after puberty. I also discuss how various ...

In this episode, I discuss how hormones such as testosterone and estrogen and their derivatives impact the early development of the brain and body and their ...