Martin Blaser talks with Eric Topol about how the microbiome influences health and disease, as well as what role the overuse of antibiotics may have played in the obesity epidemic.

Educating parents to avoid gluten in food is more complicated than it appears, although new FDA regulations have helped.

Oncologists Cliff Hudis, past president of ASCO, and Sid Mukherjee talk about the PBS documentary adapted from Mukherjee's Pulitzer Prize-winning book, The Emperor of All Maladies.

Prompted by a recent study on the effects of smoking on colorectal cancer survival, Dr David Kerr reports that he has increased his efforts to get his patients to stop smoking.

Dr David Johnson explains how we have come full circle in the philosophy toward restarting oral feedings in patients with pancreatitis.

An innovative new device is giving patients with severe obesity a promising treatment option.

Dr David Johnson takes you through the highlights of the new performance targets for quality colonoscopy -- from getting consent to reviewing results with patients.

Is traditional resection the only management option for this patient's gastroesophageal junction tumor?

Dr David Johnson reviews the supportive evidence and recommendations for all of the available treatments for chronic constipation and irritable bowel syndrome.

A new understanding of the natural history of eosinophilic esophagitis suggests that endoscopic dilation and a dysphagia diet may be a better way to go in steroid-naive adult patients.