Allen R SmithContributor
Allen Smith is a founding writer for LIVESTRONG.COM. He earned his master’s degree in exercise science from San Diego State University, and worked in the first cardiac rehabilitation program in the U.S. In 1983, he was certified as a Clinical Exercise Physiologist with the American College of Sports Medicine. Since beginning his award-winning writing career in 2004, he has written thousands of health-related articles for print, the web and social media.