Helen Thomson, in the October 4 2010 issue of New Scientist magazine, details six ways to make our brains smarter
1) musical training
2) transcranial direct current stimulation (tDCS)
3) exposure to blue light…probably mediated by a recently discovered pigment in the retina called melanopsin
4) flavonoids, found in fruits such as blueberries and blackcurrants and also in cocoa, green tea and red wine
5) exercise/physical activity
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