We know that we get tired, physically and mentally. What if we could do something about the mental side of that? New research is being conducted into what the chemical glutamate may be doing in our brains, and whether it is the reason we get brain-weary and also start making bad decisions. Dr Antonius Wiehler is a cognitive neuroscientist at Pitie-Salpetriere Hospital in France, and thinks he and his colleagues may have an answer.
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