DEFINITION/DESCRIPTION OF ALZHEIMER’S DISEASE
Alzheimer’s disease is a progressive, neurological and eventually fatal disease of the brain which was named after a German physician, Alois Alzheimer, who first described it in 1906. It is said to be the most common form of dementia (a group of disorders that impairs mental functioning). At the moment, Alzheimer's is progressive and irreversible, with no known cure. The most common cause of death is infection. Changes in memory is normal as we become older but when the memory loss starts to worsen over time, eventually interfering with many aspects of brain function it’s not normal. Memory loss is one of the earliest symptoms, along with a gradual decline of other intellectual and thinking abilities. As Alzheimer's disease advances in stages it may be helpful to know the stages