
What can magnesium do for you and how much do you need?

Dry socket: Preventing and treating a painful condition that can occur after tooth extraction

What happens during sleep � and how to improve it

How is metastatic prostate cancer detected and treated in men over 70?

Could biofeedback help your migraines?

Plantar warts: Options for treating this common foot condition

Cancer survivorship: What comes next after treatment

Nutritional yeast: Does this savory, vegan seasoning pack a nutritional punch?

Salmonella is sneaky: Watch out

Two jobs may lower the odds of dying from Alzheimer's disease � but why?

Andrew Chan, MD, MPH
Contributor
Andrew T. Chan, MD, MPH is a Professor of Medicine at Harvard Medical School (HMS), Chief of the Clinical and Translational Epidemiology Unit, and the Program Director for gastroenterology training at Massachusetts General Hospital (MGH). As a clinical gastroenterologist, Dr. Chan specializes in familial gastrointestinal cancer syndromes and cancer prevention. Dr. Chan is a leading investigator in the epidemiology of colorectal cancer and other digestive diseases, with a focus on chemoprevention with aspirin and the interaction of diet with the gut microbiome. An elected fellow of the American Society of Clinical Investigation, he currently supported by NCI, NIDDK, and the Crohn’s and Colitis Foundation for his research. He has published over 400 papers in the field of colorectal cancer and other chronic digestive diseases in leading journals, including the New England Journal of Medicine, Journal of the American Medical Association, Lancet, Science Translational Medicine, Gastroenterology and Gut. Dr Chan is a section editor for Gastroenterology, serves on the editorial board of Cancer Prevention Research and Cancer Epidemiology Biomarkers and Prevention, and is vice-chair of the Gastrointestinal Oncology Section of the AGA.
Posts by Andrew Chan, MD, MPH

Cancer
Racial disparities and early-onset colorectal cancer: A call to action

Cancer
Can I take something to prevent colorectal cancer?

Cancer
Colorectal cancer screening before age 50?

What can magnesium do for you and how much do you need?

Dry socket: Preventing and treating a painful condition that can occur after tooth extraction

What happens during sleep � and how to improve it

How is metastatic prostate cancer detected and treated in men over 70?

Could biofeedback help your migraines?

Plantar warts: Options for treating this common foot condition

Cancer survivorship: What comes next after treatment

Nutritional yeast: Does this savory, vegan seasoning pack a nutritional punch?

Salmonella is sneaky: Watch out

Two jobs may lower the odds of dying from Alzheimer's disease � but why?