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What are the common neurological changes associated with aging in the elderly population, particularly in terms of decreased neurotransmitter activity, and how do these changes affect overall health and function?

User Derby
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Your brain and spinal cord lose nerve cells and weight (atrophy). Nerve cells may begin to pass messages more slowly than in the past. Waste products or other chemicals such as beta amyloid can collect in the brain tissue as nerve cells break down.
User Padawan
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