Taking calcium supplements doubles the risk of heart attacks, according to a controversial new study by Swiss scientists.
University of Zurich researchers found that people who take the pills are 86 percent more likely to have a heart attack than those who do not, after studying data on 24,000 German men and women aged 35 to 64, over 11 years.
The risk more than doubled for people taking only calcium supplements, the researchers said.
Their findings, published in the journal Heart, could not show cause and effect, but advised that the supplements should be “taken with caution.”
“It is now becoming clear that taking this micronutrient in one or two daily [doses] is not natural, in that it does not reproduce the same metabolic effects as calcium in food,” the study authors wrote.
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