Co-administration of a probiotic and vitamin D significantly improved cognitive function in patients with schizophrenia, results from a double-blind randomized controlled trial suggested. The ...

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 ...

Vitamin D is vital for numerous bodily functions. While sunlight is the primary source of vitamin D, record high temperatures this summer may dissuade people from spending time in the sun. An expert ...

The vitamin pills do not prevent bone fractures in most people or protect against many other diseases, adding to questions about medical guidance many now take for granted. By Gina Kolata The idea ...