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Vitamin supplements may be harmful. Which supplement, when taken in high doses, has been associated with...

Vitamin supplements may be harmful. Which supplement, when taken in high doses, has been associated with increased risk of osteoporosis and bone fractures in older adults?

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Increase intake of Vitamin A can cause osteoporosis and bone fractures in older adults. Vitamin A play an important role in vision, bone growth, reproduction, cell division, and cell differentiation. But excessive use of Vitamin A can have harmful effect. Excessive amounts of vitamin A trigger an increase in osteoclasts, the cells that break down bone. They also believe that too much vitamin A may interfere with vitamin D, which plays an important role in preserving bone.This can lead to bone weakness and increase risk of fractures.

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