Dr. I-min Lee and his research team have done work all over the world on the effects on physical inactivity. They have found that physical inactivity increases the risk of many health conditions including coronary heart disease, type 2 diabetes, and breast and colon cancer. Dr. Lee found that it also plays a role in shortening life expectancy. Decreasing the level of physical inactivity could improve your health tremendously. Benefits include increases cardiorespiratory and muscular fitness, healthier body mass and composition, improved bone health, increased functional health, and improved cognitive function.