Alzheimer's explained

Alzheimer’s is a type of dementia that affects memory, thinking and behavior. Many of us will experience some changes in our cognition as we age. But dementia is not a normal part of aging.

If you or a loved one has been diagnosed with Alzheimer's disease, there's a lot of information to absorb. Start with these key details.

Learn about the causes of Alzheimer's and get tips to help lower your risk.

People younger than age 65 can develop Alzheimer's disease—and symptoms are often overlooked.

Early on, mild cognitive impairment can be hard to identify—but it's worth looking out for symptoms.

You can’t change your genes or roll back aging, but taking these steps may help reduce your risk of cognitive decline.