Vitamin D toxicity rare in people who take supplements, Mayo Clinic researchers report

Over the last decade, numerous studies have shown that many Americans have low vitamin D levels and as a result, vitamin D supplement use has climbed in recent years.

Increase in types and brands of same food items could contribute to overconsumption

Researchers at the University of Liverpool have found that people who eat different types and brands of commonly available food items, such as pizza, are more likely to overeat than people who tend…