Boning Up on OsteoporosisOsteoporosis thins and weakens a person's bones, making them more porous (less dense) and fragile, and thus more likely to break. Although a fracture is often the first outward sign of osteoporosis, a bone mineral density test can help diagnose it before that happens.
Osteoporosis: Evaluate Your RiskMany people are unaware they have osteoporosis until they have advanced symptoms, which may include a broken hip or wrist, low back pain, or a hunched back.