Should we take vitamin and mineral supplements, are they a complete waste of money, do they do more harm than good? These are questions millions of people around the world ask, probably because there are so many conflicting studies. The answer to "Should I take vitamins?" is not a simple yes or no one, says Stacey Zawacki, a Sargent College clinical assistant professor and director of the Sargent Choice Nutrition Center, at Boston University. Zawacki explains that "everyone is unique"...

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