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Where And How Are Chemical Messages Used In The Nervous System ?
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As people age, their brain and nervous system go through natural changes. The brain and spinal cord lose nerve cells and weight. Nerve cells may begin to transmit messages more slowly than in the past. Waste products can collect in the brain tissue as nerve cells break down, causing abnormal structures called plaques and tangles to form. A fatty brown pigment (
The breakdown of nerves can affect the senses. You might have reduced...
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Source: ADAM Encyclopedia
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