prevention efforts must begin in childhood and
continue through life. The most effective time to
supplement calcium is when the body is building
bone mass—before age 20.
See also AGING, MUSCULOSKELETAL CHANGES THAT
OCCUR WITH; DIET AND HEALTH; EXERCISE AND HEALTH;
HIP FRACTURE IN OLDER ADULTS; OSTEOMALACIA;
OSTEOPENIA; SKELETON; SMOKING AND HEALTH.osteoporosis 347