A leading cause of dementia in the US. The disorder is progressive and causes deterioration of mental abilities caused by the loss of essential nerve cells as well as the important connections between these cells. Commonly occurs near the age of 70.
Sadly the progression is rapid as a person with this disorder can only survive 3 to 5 years.
The first stage of the disease is seen with loss of short term memory such as forgetting birthdays and current events.
In the second stage the person loses the ability to care for themselves. They may also have problems communicating.
In the third stage there is a loss of nearly all capacity and they will depend on others for care. In the end stages of Alzheimers the persons body becomes prone to other diseases and infections. The most common cause of death is Pneumonia.