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Intelligence - nature or nurture? Researchers find a gene for intelligence and also that a bigger brain matters, yet other recent articles show how motivation affects learning.

What causes brain problems after traumatic brain injury? Studies have a surprising answer

There is a widespread misunderstanding about the true nature of traumatic brain injury and how it causes chronic degenerative problems, researchers argue. The authors propose that chronic brain damage and neuropsychiatric problems after trauma are largely caused by long-term inflammation in the brain. They say inflammation is a key culprit behind the symptoms linked with TBI, including brain atrophy and depression.
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