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Cognitive impairment is a decline in mental functions like memory, attention, and problem-solving that interferes with daily activities, often resulting from factors such as aging, brain injury, or neurological diseases. This condition varies from mild, where it might only subtly affect decision-making, to severe forms that drastically alter independence. In today's world, it's increasingly recognized in healthcare as a potential early indicator of conditions like dementia, driving advancements in brain health research.
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