Dementia refers to a group of illnesses that involve memory, behavior, learning, and communicating problems, which progress as a person ages. Learn about the symptoms and causes of dementia.

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They blink, stretch, purr and are warm to the touch. Robotic companion animals have been proven to reduce stress, anxiety and antipsychotic drug use among older people, especially those with with dementia.

By Jesslyn Shields

This study of more than 30 years has yielded many valuable insights on Alzheimer's including a link between multilingualism and warding off dementia. Why are nuns the ideal study group?

By Alia Hoyt

Boxers, NFL players and plenty of other athletes sustain concussions all the time. But when is a bump on the head more than just a little injury? When a retired athlete's life starts to fall apart, can you blame the brain?

By Jacob Silverman


The thought of losing your most precious memories to dementia is enough to scare anyone. But does it have to be that way, or is there something you can do to save your mind?

By Molly Edmonds

If a fire headed toward your house, you might be tempted to rescue a precious memento like a photo album or a child's blanket. When dementia heads for the brain, there's no chance of saving your memories.

By Molly Edmonds