@CNN: The onset of Alzheimer’s can come as early as 30 years before the patient experiences any symptoms, so tests for early signs are key https://t.co/qHSht3sxHH https://t.co/BEPMYLFW24

@CNN: The onset of Alzheimer’s can come as early as 30 years before the patient experiences any symptoms, so tests for early signs are key https://t.co/qHSht3sxHH https://t.co/BEPMYLFW24