According to the Alzheimer's Association, 5.3 million Americans have Alzheimer's disease. There is no cure for this disease. Early detection is one of the best ways to combat the ill effects of Alzheimer's disease because early detection means early treatment, which can afford the best quality of life for a victim of the disease. Carbon nanotubes used in magnetic resonance imaging (MRI) and positron emission tomography (PET) scans are in the forefront of leading research and testing for helping health professionals make the earliest possible diagnosis for those who may have or develop the disease.
Alzheimer's disease is the most common cause of dementia and causes the decrease of intellectual and social abilities severe enough to interfere with a victim's daily life. In Alzheimer's disease healthy brain tissue is slowly destroyed, which causes a steady decrease in the victim's memory and mental capabilities. Alzheimer's disease is not associated with normal aging, but the risk of developing this disease increases as you get older. At present, there is not a cure. There are treatments available, though, that may improve the quality of life of a victim of Alzheimer's disease.
A person who does not have Alzheimer's disease has a brain that consists of billions of nerve cells called neurons. Each neuron consists of a cell body, dendrites, and an axon. Axons and dendrites together make up nerve fibers. Nerve messages normally travel from one neuron to another. They are separated from each other by narrow spaces called synapses. Neurotransmitters allow messages to cross a synapse. This highly sophisticated process allows the brain to recognize nerve impulses and respond to them appropriately.
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