James M. Larson

James M. Larson, M.D., FACEP, FAAEM, graduated from New York Medical College in 1977 and has been practicing medicine in hospital and private practice settings for more than 35 years. Larson is a fellow of the American College of Emergency Physicians and a member of the American College of Sports Medicine. From an athletic standpoint, he has been running since 1965 and has run approximately 35 marathons. Larson also participated in the original USTS triathlon races in San Diego and raced up to half-Ironmans.

Articles by James M. Larson

• Everything you always wanted to know about blood doping and EPO

  Tuesday, December 09, 2014

  EPO is a bioengineered recombinant DNA hormone that is a nearly exact duplicate of the human hormone erythropoietin. Quite simply, EPO is the natural chemical messenger that tells your body and bone marrow to make red corpuscles — "Give me more blood."