If your nails break more frequently than usual, it may be reason for worry.
If you spend most of your time on a computer and sofa, you may acquire osteoporosis.
Receding gums are gradual and hard to see. Jawbone loss causes gum recession.
Shortening doesn't usually imply bone problems, although it may signal a weakening of spine muscles.
If you're having trouble opening pickle jars, you may have bone loss.
If you break an ankle by stepping improperly off a curb, it may be time to have your bones looked out. This might be an early sign of osteoporosis.