31 Jan '12, 9am

New Study Eyes Source for Caffeine-Cognition Link via @NationalCoffee

Caffeine may help block a cognition-reducing chemical in one very specific part of the brain, according to researchers at the National Institutes of Health. This finding, by Stephen B. Simons and team at NIH’s National Institute of Environmental Health Sciences, could reveal the source of the well-established connection between caffeine and increased mental acuity. The site of action identified is a small part of the tiny hippocampus where caffeine appears to modify chemical transfers across neural cells. The researchers found that the modification came not from increased cell activity, but rather from changes in the chemical uptake, pointing to an effect on the synapses. Digging further, caffeine seems to block certain receptors of a chemical known as adenosine, in turn allowing certain substances that generally fight adenosine to flourish. Completing the picture, these s...

Full article: http://www.ncausa.org/custom/headlines/headlinedetails.cf...

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