Alzheimer's disease
is the neurodegenerative disease. Its features are the abnormal clumps and tangled bundles of fibers in the brain. The most common cause of the disease is the age of the person. People over 65 years old are more amenable to this disease. The symptoms of the disease are memory loss, language deterioration, confusion, mood swings and etc. The disease may lead to completed elimination of the person’s ability to action.