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| 1. When Does Osteoporosis Occur? / 2. Loss of Bone Mass / 3. Fractures | |
Effects of OsteoporosisLoss of Bone MassWithout treatment, people with osteoporosis lose between 1% and 3% of their bone density (also called "bone mass") each year after age 50. Over their lifetime, women with untreated osteoporosis may lose up to 50% of bone mass in their spinal vertebrae -- the location of almost half of osteoporosis fractures.
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