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.

If you are a smoker, it’s important for you to understand that smoking slows recovery and increases the risk of problems. Several weeks prior to surgery, talk with your health care provider if you need help quitting.