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There’s not much evidence that vitamins can prevent heart disease or cancer – the two leading killers of Americans, experts say.
Even though half the U.S. population pops vitamins in the belief they can help people live longer, healthier lives, a very extensive look at the studies that have been done show it may be a waste of time when it comes to preventing the diseases most likely to kill you.
The findings, by a team at the Kaiser Permanente Center for Health Research in Portland, Ore., being used as the basis to update recommendations by the U.S. Preventive Services Task Force (USPSTF), aren’t clear-cut. They are likely to add to confusion over the benefits of vitamins.
"A healthy balanced diet is critical for good health, and that's probably the most important way that we get the nutrients that are essential," says Kirsten Bibbins-Domingo, a heart disease specialist at the University of California San Francisco who's a member of the Task Force.
“The USPSTF reviewed 24 studies of individual vitamins, minerals, or functional nutrient pairs. Across all the supplements studied, there was no evidence of beneficial effects on cardiovascular disease, cancer, or all-cause mortality," they wrote. (Full story here)