Chelation therapy still not proven to work

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After a 10-year study involving more than 17 hundred heart patients, researchers still don’t know if chelation therapy works.

Chelation therapy involves infusions conducted over a period of years, aimed at leaching excess metals from the body.

Patients typically also receive high doses of vitamins and minerals.

A National Institutes of Health study found that chelation seemed to slightly reduce the risk of heart problems, mainly in people with diabetes.

But the authors say that small benefit could have been due to chance.

And critics say the study was so badly managed that its conclusions are meaningless.

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