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Bone and aging
Question | Answer |
---|---|
What happens to bones when you age? | -they become thinner and weaker -epiphyses, vertibrae and Jaws are most affected -results in fragile limbs, reduced height and tooth loss |
Osteopenia (inadequate ossofication 'reduction of bone mass') | -begins between ages 30-40 -women lose 8% per decade -men 3% |
Osteoporosis (severe loss of bone Mass) | -compromises normal function -over 45 occurred in 29% of women and 18% of men |
Hormones and bone loss | -sex hormones help maintain bone mass -in women osteoporosis accelerates after menopause |
Cancer affect on bone | -cancer release osteoclast-activating factor -stimulates bone breakdown -produces severe osteoporosis |