In this interview, Jon chats with preventative and occupational medicine MD, Paul Anderson about competitive cross country skiing, his research on fitness culture and how it supports longevity, and what race day at the legendary American  ...

In this interview, Jon chats with his coach, Jeff Burkart, owner of Brave Chicken.  They discuss the differences between the aerobic and anaerobic systems and their own experiences as Masters Athletes. Connect with Jeff at:&nbs...