This document discusses osteoporosis and bone fractures. It defines osteoporosis as a bone disease where the body fails to form enough new bone or absorbs too much old bone. It affects more women after menopause and men after age 70. Bone fractures are breaks in the bone that can result from injury or diseases like osteoporosis. Symptoms include bone pain, loss of height, and fractures from minor impacts. Treatment involves lifestyle changes, medications, and exercise to reduce fracture risk and relieve symptoms. Prevention includes a diet with calcium, vitamin D, and weight-bearing exercise to build strong bones.