Examiner.com | Dr. Oz: Ketogenic diet prevents Alzheimer's and Diane Keaton's bulimia Examiner.com Dr. Mehmet Oz discussed Diane Keaton's bulimia and whether a low-carb gluten-free ketogenic diet can prevent dementia and Alzheimer's disease on the July 30 episode of the Dr. Oz Show. While Keaton has always exuded a carefree persona, she secretly ... |