What Is Alzheimer's Disease?

Alzheimer's disease, the most common type of dementia, damages parts of the brain involved in memory, intelligence, judgment, language, and behavior. Almost half of people afflicted with Alzheimer's are between 75 and 85.

Featured Stories

More on Alzheimer's Disease

25 Signs and Symptoms of Alzheimer's Disease

How can you tell if someone has Alzheimer's disease? Here are symptoms of the memory-robbing disorder.
Read More

One Simple Lifestyle Change That Could Keep Your Brain Young

A new study showed that the more flights of stairs participants climbed regularly, the younger their brains acted.
Read More