Concerned about his family's history with Alzheimer's, CNN's chief medical correspondent, Dr. Sanjay Gupta, took a personal journey to explore his own risk for Alzheimer’s. The evaluation was part of an hour-long documentary , "The Last Alzheimer’s Patient," during which Dr. Gupta shared groundbreaking research by Dr. Dean Ornish of the Preventive Medicine Research Institute. Specifically, as Dr. Gupta stated , “what is good for the heart is almost certainly good for the brain.” Dr. Ornish added, “The same lifestyle changes could reverse high blood pressure, high cholesterol, type two diabetes, obesity, early-stage prostate cancer can be slowed, stopped, even