Dean Michael Ornish (born July 16, 1953) is an American physician and researcher. He is the president and founder of the nonprofit Preventive Medicine Research Institute in Sausalito, California, and a Clinical Professor of Medicine at the University of California, San Francisco.

Dr. Dean Ornish and Anne Ornish are co-authors of the nationally bestselling book Undo It! Read an excerpt from their book here.

Jan 8, 2019 · Dean Ornish, M.D., has directed revolutionary research proving, for the first time, that lifestyle changes can often reverse—undo!—the progression of many of the most common and costly chronic diseases and even begin reversing aging at a cellular level.

Jun 27, 2010 · Dean and wife Anne Ornish with 1-year-old Jasmine and 9-year-old Lucas, hiking in the Marin Headlands. Dr. Dean Ornish is seen in his office in Sausalito, Calif., on Thursday, June 3,...

Sep 22, 2019 · Oprah Winfrey invites medical pioneer Dr. Dean Ornish and his wife, Anne, to her vegetable garden in Maui. They talk about their new book, "Undo It!," which highlights four lifestyle changes they say can reverse chronic disease and the aging process.

San Francisco–area physician Dean Ornish is the author of several best–selling books that tout a low–fat, high–carbohydrate diet and moderate exercise program as the best way to prevent and even reverse cardiac disease.

Dec 16, 2018 · An early advocate and practitioner of preventive medicine long before it was trendy, Dr. Ornish is an absolute legend in the plant-based nutrition movement for his groundbreaking work in the holistic prevention and reversal of chronic lifestyle diseases such as atherosclerosis, America’s #1 killer.

Feb 1, 2019 · How Simple Lifestyle Changes Can Reverse Most Chronic Diseases, written with his wife and business partner, Anne Ornish, can help all of us live longer and better by following the...

Jan 1, 2019 · Dean Ornish, M.D., has directed revolutionary research proving, for the first time, that lifestyle changes can often reverse—undo!—the progression of many of the most common and costly chronic diseases and even begin reversing aging at a cellular level.

Oprah invites medical pioneer Dr. Dean Ornish and his wife Anne to her vegetable garden in Maui. Tune in to an all-new Super Soul Sunday on Sunday, September 22, at 11 a.m. ET/PT on OWN.