Aging is a natural process that every human being goes through and it
starts from the very onset of birth. However, the actual "aging" is only
really visible when the individual is considered to be quite advanced
in age. It should be noted though, that the aging process should not in
any way hamper keeping an exercise regimen and in fact exercising
should ideally continue but at a gentler pace and design. Get all the
info you need here.