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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.

Exercise may help keep seniors moving longer despite old age brain decline

Older people who are physically active may be protecting themselves from the effects of small areas of brain damage that can affect their movement abilities, according to a new study. The results remained the same after researchers adjusted for other factors that could affect the relationship, such as body mass index (BMI), depression and vascular disease.
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