Most of us don't give much thought to our bones -- until we break one. But according to the National Osteoporosis Foundation, half of all women over the age of 50 will break a bone, and the risk is even higher for women who are diagnosed with osteoporosis. A broken bone can be a serious health problem when you're older. That's why protecting your bones and keeping osteoporosis at bay is crucial. Here are 10 proven ways to keep your bones strong and healthy.