Dutifully Taking Your Calcium Pill? It May Be Too Much
While many people aren't getting enough calcium, new research cautions that some people may have the opposite problem: They could be getting too much.
Americans spend more than $1 billion a year on calcium supplements in hopes of staving off osteoporosis, the brittle bone disease that cripples many elderly women and some men.
Yet recent studies link calcium supplements to a higher risk of heart attacks and kidney stones. Last month, the U.S. Preventive Services Task Force issued a draft recommendation against taking calcium and vitamin D, saying there wasn't enough evidence of benefit to justify the risk.
Americans have been exhorted to drink milk and take calcium supplements to maximize bone health. Now the U.S. Preventive Services Task Forces says there's no evidence that calcium helps, and a few studies show that calcium may raise the risk of heart disease. Melinda Beck explains on Lunch Break.
For generations of Americans who grew up exhorted to drink their milk to maintain strong bones, the reports raised troubling questions: Is calcium not so important after all? Are the supplements unsafe? And how much is too much?
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