Michael Herschel Greger is an American physician, author, and professional speaker on public health issues, best known for his advocacy of a whole-food, plant-based diet, and his opposition to animal-derived food products.

The Tufts University School of Medicine is the medical school of Tufts University, a private research university in Massachusetts. It was established in 1893 and is located on the university's health sciences campus in downtown Boston. It has clinical affiliations with numerous doctors and researchers in the United States and around the world, as well as with its affiliated hospitals in both Massachusetts, and Maine.