Fitness in Diving is an audio series hosted by Dr. David Charash about the 6 components of diving fitness. In this series, you can expect conversations with thought leaders in the diving world and discussions about how divers can dive smart. David Charash DO, CWS, FACEP, FUHM Dr. Charash is a principal in Dive Medicine and Hyperbaric Consultants LLC. He is Board Certified by the American Board of Emergency Medicine in Emergency Medicine and Undersea and Hyperbaric Medicine and a Certified Wound Specialist.