This doctor reversed heart disease. Now he wants to do it for Alzheimer's

Using a strict vegan diet, exercise, stress reduction and social support, Dr. Dean Ornish reversed heart disease in a 1990 clinical trial. Today he's trying to use the same approach on dementia.

source https://www.cnn.com/2022/07/30/health/dean-ornish-lifestyle-study-alzheimers-wellness/index.html