https://vimeo.com/152733864 Alzheimer's disease is an extremely common disease, even though the public may not know it. In fact, it's estimated that one in nine people over the age of 65 years old has Alzheimer's disease. That's a very high number for a disease that takes away your life. MORE: Understand Alzheimer's disease in just three minutes with this animated video Most of the time, when Alzheimer's is diagnosed, the disease is in an advanced state. Difficulty remembering events and concentrating; confusion with location, space, and time; mood changes and language problems are some of the most common symptoms of this devastating disease. But what if we could diagnose and treat Alzheimer's disease a decade before the first symptoms appear? In this video shared by Brigham and Women's Hospital, Dr. Reisa Sperling, director of the Center for Alzheimer Research and Treatment, shares some promising news about the hospital's efforts towards secondary and primary prevention of Alzheimer’s. MORE: What exactly is Alzheimer's disease? Alzheimer's News Today is strictly a news and information website about the disease. It does not provide medical advice, diagnosis or treatment. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.