Aerobic dancing is already adjusting to injury problems and will probably phase out to some extent.
Kenneth H. Cooper[Walking's] overwhelming advantage is that it can be done by anyone, anytime, anywhere-and it doesn't even look like exercise.
Kenneth H. CooperIf you look at body fat, it seems to increase with age, even though your weight does not. That's a physiological fact of aging, they say. Heck it is. It is an adaptive effect of aging.
Kenneth H. Cooper