SPENCER SUTTON / SCIENCE PHOTO LIBRARY SPENCER SUTTON / SCIENCE PHOTO LIBRARY
Artwork of a spine with fractured vertebrae due to osteoporosis. Osteoporosis is a lowering of bone density causing bones to become brittle and liable to fracture (as shown here). In this disease, spinal bones of the lower back more commonly fracture as these bones support the weight of the body. Osteoporosis is more common in elderly women as, after the menopause, levels of female hormones which help to maintain bone mass decrease.
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