Study: Almost 60% of U.S. children do not have healthy cardiorespiratory fitness

Study: Almost 60% of U.S. children do not have healthy cardiorespiratory fitness

Study: Almost 60% of U.S. children do not have healthy cardiorespiratory fitness

Nearly 60% of American children do not have healthy cardiorespiratory fitness (CRF), a key measure of physical fitness and overall health, according to "Cardiorespiratory Fitness in Youth - An Important Marker of Health," a new Scientific Statement from the American Heart Association, published today in the Association's flagship journal Circulation.