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Common Supplement Shows Concerning Link to Heart Failure

New research into a popular sleeping aid has some scientists worried about long-term usage.

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Melatonin for sleep linked to 90% higher risk of heart failure, study finds

Americans have widespread misbeliefs about the cancer risks of alcohol, study finds. More than half of American adults misunderstand or underestimate the link between alcohol consumption and cancer. Alcohol drinkers are especially likely to believe that drinking has no effect on cancer risk.

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