There is a whole subset of people who can't imagine popcorn without a sprinkling of nutritional yeast, which is naturally full of B vitamins that are harder to come by in meat-free diets.
Scientists find that rice grown under elevated carbon conditions loses substantial amounts of protein, zinc, iron and B vitamins, depending on the variety.
Maximilian Stock, Ltd./Getty Images/Passage
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
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.