DAVID GIFFORD / SCIENCE PHOTO LIBRARY DAVID GIFFORD / SCIENCE PHOTO LIBRARY
Kyphosis. Computer illustration of the development of kyphosis (spinal curvature) in a woman as she ages. Kyphosis is due to a disorder of the vertebrae. It is usually caused by osteoporosis (bone thinning), although a fractured vertebra or a vertebral tumour may have the same effect. Osteoporosis is most common in woman after the menopause as their ovaries stop producing the oes- trogen hormones that help to maintain bone mass.
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