For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as the cure for rickets, a childhood disease that causes weak and deformed bones. Then, in the early ...

If you're one of the almost 25% of people in the U.S. who are low on vitamin D, your food choices could have a big impact. It's hard to get enough vitamin D from food alone, but combining it with ...