It’s been over 20 years since Dr. Dean Ornish‘s groundbreaking research showed that a plant-based diet could open up arteries and reverse atherosclerosis without drugs.

What’s Dr. Ornish up to? He’s still reversing heart disease, and nearly three quarters of his patients are angina-free without drugs or surgery. He’s also continued on to try and reverse cancer with a plant-based diet. In this NutritionFacts.org video, Dr. Michael Greger looks at recent work by Dr. Ornish and other researchers to see how a plant-based diet plus exercise affects men with prostate cancer.

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