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admin | Diet Pills | 10.01.2016
A major study finds that taking calcium or vitamin D pills does not help prevent growths that can lead to colon cancer in people who have had at least one in the past.
It’s the latest setback among many for efforts to prevent disease through vitamin supplements.
It involved 2,259 people recently diagnosed with polyps, precancerous growths removed during colonoscopy.
Followed up three to five years later, 43 to 45 percent of all study participants had developed a new polyp, regardless of whether they took calcium, vitamin D, both or neither. Higher doses of vitamin D might make a difference, but this would have to be tested in a new study, and this one already tested a higher level than the 600 IUs a day (800 for people over 70) that the Institute of Medicine recommends, Baron said. Aspirin is thought to help prevent polyps and colon cancer with long-term use, but it also can cause serious bleeding.


The calcium finding was especially disappointing — three previous studies suggested calcium would help, but the new one, a more rigorous test, found no benefit. We thought we understood calcium because the data was really quite, quite strong,” said Dr.
The National Cancer Institute sponsored it and Pfizer Consumer Healthcare provided the pills. They were assigned to take either 1,000 international units of vitamin D3, 1,200 milligrams of calcium, both or neither. Even when researchers took age, gender and other factors into account, supplement use made no difference in the results. Anyone considering long-term use is advised to talk with a doctor about the risks and benefits.


We reserve the right to exclude comments which are inconsistent with our editorial standards.
Women could choose to get calcium and then be given either real or dummy pills of vitamin D.



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