Vishal Gupta, MD, PhD trained as a medical resident in the department of internal medicine at Columbia University College of Physicians and Surgeons, New York City. He also performed fellowships at Columbia University in Gastroenterology and Harvard Medical School in Gerontology and earned a PhD in colon cancer at the University of South Carolina.

Confused by nutrition labels? Just look for foods that are lower in fat (especially trans fats and saturated fats), low in sodium and high in fiber.