Alzheimer's disease is the most common type of dementia. The disease destroys brain cells and symptoms can include confusion, anger, mood swings, language breakdown and long-term memory loss.Symptoms usually develop slowly and get worse over time, becoming severe enough to interfere with daily tasks.

Assistance with Activities of Daily Living.

Alzheimer's is not a normal part of aging, although the greatest known risk factor is increasing age, and the majority of people with Alzheimer's are 65 and older. But Alzheimer's is not just a disease of old age. Up to 5 percent of people with the disease have early-onset Alzheimer's (also known as younger-onset), which often appears when someone is in their 40s or 50s.