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.

Swelling, pain, redness and increased warmth in a leg may be warning signs of a life-threatening deep vein blood clot. If you have these symptoms, call your family physician or go directly to the Emergency Department.