Fitness Levels Decline With Age, Especially After 45
JAMA - Journal of the American Medical AssociationMen and women become gradually less fit with age, with declines accelerating after age 45, according to a report in the October 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals. However, maintaining a healthy body mass index (BMI), not smoking and being physically active are associated with higher fitness levels throughout adult life.