Alzheimer's Disease

Frequently Asked Questions

2. What is dementia?

Dementia is a loss of thinking, remembering, and reasoning skills that interferes with a person’s daily life and activities. Alzheimer’s disease is the most common cause of dementia among older people. Dementia ranges in severity from the mild stage, when it is just beginning to affect a person’s functioning, to the severe stage, when the person must depend completely on others for care.