In addition to heart problems triggered by some supplements, emergencies often arise when kids swallow dietary supplements meant for adults, according to the CDC analysis, or when older adults choke on the pills. Lee Woodgate/Ikon Images/Corbis hide caption

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Ideally, we'd all eat super healthful diets. But that's not the world we live in, and multivitamins may help bridge the nutritional gaps. Jasper White/Getty Images hide caption

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The Salt

Multivitamins: The Case For Taking One A Day

Multivitamins have gotten a bad rap. But studies suggest these dietary supplements may help plug the nutrition gaps resulting from our less-than-ideal eating habits.

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Though some people might need more of specific vitamins, multivitamins don't help most people, studies say. iStockphoto hide caption

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If only it was as simple as popping a supplement and being set for life. But alas, no. hide caption

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Ads often tout dietary supplements and vitamins as "natural" remedies. But studies show megadoses of some vitamins can actually boost the risk of heart disease and cancer, warns Dr. Paul Offit. hide caption

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In Washington's Columbia Heights neighborhood, Claire Robertson, a grad student, talks with Scott Hensley about retail health clinics. David Schultz/NPR hide caption

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