Today is World Alzheimer’s Day. While we’ve come a long way in our understanding of Alzheimer’s, we still have more to go. Alzheimer’s dementia may show up in brain scans, but it’s not enough to make a diagnosis. In fact, there is no blood test, brain scan or physical exam that can definitely diagnose the condition. . . . #worldalzheimersday #alzheimers #wearepurple #dementia #alzheimersdementia #brainscan #alzheimersawareness #KnowAlzheimers