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ST. PAUL, Minn.

Ask Dr. Hallberg: New studies question benefit of multivitamins for disease prevention

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Dr. Jon Hallberg
Dr. Jon Hallberg is assistant professor in family medicine at the University of Minnesota, and medical director at Mill City Clinic. He is a regular medical analyst on MPR's All Things Considered.
Photo courtesy of Dr. Jon Hallberg

If you take a daily vitamin, you're not alone. About one-third of the adult population takes a multi-vitamin. Americans spend more than $20 billion annually on vitamins and supplements.

New studies out now in the Journal of the American Medical Association shed some light into whether there's any benefit in taking a supplement each morning.

Dr. Jon Hallberg, MPR's medical analyst and a physician in family medicine at the U of M, speaks on the use of vitamins and supplements.

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Dr. Jon Hallberg
Dr. Jon Hallberg is assistant professor in family medicine at the University of Minnesota, and medical director at Mill City Clinic. He is a regular medical analyst on MPR's All Things Considered.
Photo courtesy of Dr. Jon Hallberg