Joel  Mason, MD

Joel Mason, MD

Tufts University

Senior Scientist, Vitamins and Carcinogenesis Team

Expertise: Cancer ResearchColorectal CancerObesityobesity and cancerCarcinogenesis

Dr. Joel Mason is Senior Scientist and Leader of the Vitamins and Carcinogenesis Team at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University. He studies the cellular pathways by which 1-carbon nutrients, obesity, and the colonic microbiome alter the risk of cancer formation, and his team develops strategies based on this knowledge for the purposes of cancer prevention. Among Dr. Mason’s research accomplishments is the elaboration of cellular mechanisms by which abundant intake of folate protects against colon cancer, insights into how folate availability interacts with certain genetic traits and environmental factors in determining the risk of developing breast and colon cancer, and the demonstration—in both animal models and humans—that obesity incites inflammation and precancerous molecular changes in the lining of the colon. Dr. Mason has authored some of the most frequently cited papers in his field. He has been ranked as a Top Doctor in the U.S. (top 1% of all physicians) and top Cancer Doctor in the U.S. by Castle Connolly Limited, and is consistently rated by his peers as one of the top gastroenterologists in Boston, MA (Boston Magazine) and the U.S. as a whole (U.S. News & World Report). He is currently researching the combinations of pharmacologic, dietary, and microbiologic agents in the prevention of obesity-induced colon cancer. Dr. Mason is also a Professor of Medicine at Tufts University School of Medicine and Professor of Nutrition at the Friedman School of Nutrition Science and Policy, and is an Associate Editor of the American Journal of Clinical Nutrition. He is a staff physician in the Divisions of Clinical Nutrition and Gastroenterology at Tufts Medical Center. Dr. Mason is a fellow of the American Gastroenterological Association and a member of the American Association for Cancer Research and American Society for Nutrition.

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A Disturbing Trend in Colon and Rectal Cancers

Over the past three decades, rates of colon and rectal cancers—collectively known as colorectal cancer—have steadily risen among people under the age of 50. It’s particularly striking because rates have been declining among older people during the same time period. Joel Mason, a gastroenterologist and Senior Scientist at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University weighs in.
11-Jun-2024 12:05:58 PM EDT

Can Probiotics Keep My Gut Healthy?

A brief explainer on probiotics from Joel Mason, a physician and senior scientist at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University.
09-Apr-2024 11:05:06 AM EDT

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