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COOLER BRAINS PREVAIL
Before the human brain could evolve greater
mass and density, a "radiator" network of
cranial veins had to evolve. In other words,
efficient brain blood-flow was absolutely
necessary to the development of higher
intelligence - then and now. The bigger and
higher performance the mind, the hotter it
will run. So keep it cool and drink lots of
icy beverages.
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