Alzheimer’s disease is too often thought of as an inevitable part of aging, but in fact that's a myth and a handful of lifestyle changes and healthy behaviors can help prevent or even  reverse it, a top expert says.

“You can accelerate your risk of Alzheimer’s disease, delay it, or even make changes that will help reverse it, depending on your behavior,” says Dr. Daniel Amen, a renowned psychiatrist and author of several bestsellers including “Change Your Brain, Change Your Life.”