Environmental toxins accumulate in the body and can cause cancer, heart disease, fatigue, digestive problems, and lots of other stuff nobody wants. And they’re everywhere. Here to teach you how to protect yourself and what you can do about these dangerous chemicals is Dr. Jessica Tran. This brilliant clinician isn’t only a clinical researcher who is fellowship-trained and board-certified in environmental medicine, she’s President of the American Academy of Environmental Medicine.

Today’s guest is Dr. Mark Gordon, a neuroendocrinologist who has pioneered the hormonal and nutritional approaches to diagnosing and treating TBI. TBIs are commonly caused by concussions from sports injuries, falling and hitting your head, and whiplash from car accidents. TBIs create depression, insomnia, psychosis, anxiety, difficulty coping with stress, anger outburst, and more. Symptoms can appear years after the original injury. Within our active and veteran military populations TBIs sustained during training and in combat are a tragic underlying cause of depression and suicide. Dr. Gordon discusses his work with patients and what he’s doing through the US Veterans Health Administration to help active duty and military veterans heal from TBIs.

Exercise is nature’s Prozac. It releases feel-good chemicals that lift mood but also reduces your risk for all sorts of nasty diseases—heart disease, Alzheimer’s, osteoporosis, diabetes. Everyone knows they should exercise, but most American’s aren’t. And we’re paying the price for it. Here to talk to us about the mindset and mechanics of exercise to help you reach any health goal, is fitness expert Kellen Schuh.