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![[x-ray of knees]](http://cdn1.medicalnewstoday.com/content/images/articles/314/314198/x-ray-of-knees.jpg)
Normally, the human body breaks down and absorbs bone tissue, but it creates new bone tissue to make up for the loss.
Throughout the first half of one's life, there is a balance between the amount of bone lost and the amount gained. But after menopause, women lose bone mass at a much higher rate, with more bone being broken down than is formed.
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