Dr. Mark J. Smith

High-Intensity Interval Training
BY Dr. Mark J. Smith
Dec. 29 2008
Nearly 80 million US adults have cardiovascular disease (CVD), resulting in a 314 billion dollar price tag. So it is no wonder that those in the fitness industry are on a constant mission to improve those... View More
High-Intensity Interval Training
BY Dr. Mark J. Smith
Dec. 18 2007
Nearly 80 million US adults have cardiovascular disease (CVD), resulting in a 314 billion dollar price tag. So it is no wonder that those in the fitness industry are on a constant mission to improve those... View More