WHAT IS ALZHEIMER'S?
Alzheimer's disease is a progressive, degenerative disease of the brain, in which build-up of abnormal proteins causes nerve cells to die.
This disrupts the transmitters that carry messages, and causes the brain to shrink.
More than 5 million people suffer from the disease in the US, where it is the 6th leading cause of death.
WHAT HAPPENS?
As brain cells die, the functions they provide are lost.
That includes memory, orientation and the ability to think and reason.
The progress of the disease is slow and gradual.
On average, patients live five to seven years after diagnosis, but some may live for ten to 15 years.
EARLY SYMPTOMS:
Loss of short-term memory
Disorientation
Behavioral changes
Mood swings
Difficulties dealing with money or making a phone call
LATER SYMPTOMS:
Severe memory loss, forgetting close family members, familiar objects or places
Becoming anxious and frustrated over inability to make sense of the world, leading to aggressive behavior
Eventually lose ability to walk
May have problems eating
The majority will eventually need 24-hour care
Source: Alzheimer's Association
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