Vitamin D is celebrated as the 'sunshine vitamin' that we're encouraged to supplement, particularly throughout the winter months. However, health experts have said that taking too much could cause a ...

After months of intense training and finally crossing the finish line, you find yourself sick after running a marathon. Whether it’s stomach upset or flu-like symptoms, it’s normal to feel sick after ...

Qin Rao, MD, is a board-certified physician based in New York City. He currently works as a gastroenterologist and hepatologist at Manhattan Gastroenterology. Diarrhea every morning may be caused by ...

Plenty of people joke about being addicted (or not being addicted) to caffeine. But it turns out that if you do decide to cut back on coffee or simply consume less caffeine than normal for a day or ...