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Calcium

Feature: Preventing osteoporosis

What are the major risk factors for osteoporosis? Why do some people's bones break more easily when they are older? Does smoking influence bone health? Can exercise prevent bones becoming brittle? These and other interesting questions are discussed in our Fact Sheet. And you can use our calculator for a rough check on whether you are getting enough calcium.

Research summaries

Bowel cancer: Can calcium prevent it?

Trials have shown that daily calcium can prevent bowel polyps. There is still no final answer on whether or not this also prevents bowel cancer. more...

Osteoporosis: Can calcium and vitamin D prevent osteoporosis?

Older people can reduce their risk of osteoporosis by taking calcium supplements every day. It is not clear whether extra vitamin D helps to strengthen people's bones if they do not have a vitamin D deficiency. more...