BRAIN ORGAN
The human brain is a very complex organ,there in the brain areas that take care of certain functions,like front part of brain function with memory,thinking,etc.,while the back of the brain associated with visual function.

Alzheimer's disease is often found in elderly people aged over 64 years.
In the United States more than 4 million elderly people who suffer from Alzheimer's disease,and about to rise nearly 4 times in 2050.

Because life expectancy in developed countries increases,so will the population grows older,so the possibility of people suffering from Alzheimer's disease will also increase.

Alzheimer's disease is one of the diseases that Dementia.
What is dementia?
Dementia is a disease with symptoms arising from brain damage interfere with a person's ability to think,memory and language functions of the person,as a result of Alzheimer's sufferers find it difficult to make the move.

Alzheimer's disease comes from the name of a doctor who discovered the disease,namely:Dr.Alois Alzheimer.
Dr.Alois is a German doctor,he found Alzheimer's disease in 1906.
Dr.Alois find any changes in brain tissue in a woman who died suffering from mental disorders like never before.
In the woman's brain tissue found in the layer and the nerve fibers that are not normal.

SYMPTOMS OF ALZHEIMER`S DISEASE
Some of the symptoms of Alzheimer's disease we need to consider are:
1. Disorientation.
2. Disturbances in abstract thinking.

Such as difficulty counting money.
3. Personality disorders.

Such as became suspicious and irritable.
4. Disturbance in making the decision to become dependent on his family.
5. Ask a same question repeated or repeat the story at the same time,with the same question and continuously.
6. Difficulty to talk.

Such as difficulty having trouble finding the right words.
7. Forgot how to do routine activities.

Such as forgot how to call.