Vitamin D is the only nutrient your body produces when exposed to sunlight. However, up to 50% of the world’s population may not get enough sun, and 40% of U.S. residents are deficient in vitamin D. Here are some foods…

In this Healthline original, registered dietitian Kim Rose covers everything you need to know about Vitamin B12. This vitamin plays an essential role in the production of your red blood cells and DNA, as well as the proper functioning of…