Cognitive functioning is a key part of overall health and independence — which is why dementia can be especially challenging for individuals, family, and loved ones. But is dementia preventable? What can we do now to preserve brain health? And how do we distinguish between cognitive changes related to typical aging and symptoms of dementia? On this episode of Aging Forward, we talk with internist and geriatrician Dr. Ericka Tung about these common questions, caring for adults with dementia, and positive outlooks for dementia prevention.