Richard Isaacson, MD, an Alzheimer's disease expert from Weill Cornell Medicine and NewYork-Presbyterian Hospital, talks about what we know about the causes of Alzheimer's disease. Risk factors, or things that raise the risk of developing Alzheimer's, are an important area of research. Dr. Isaacson discusses how genetics, genetic testing and the APOE4 variant play a role in developing Alzheimer's disease. He also discusses how lifestyle factors are involved, from a brain-healthy diet to the roles of sleep, stress, and sugar in developing Alzheimer's disease. Finally, Dr. Isaacson makes some intriguing suggestions for lifestyle changes and activities that may be beneficial in lowering the risk of Alzheimer's disease.

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