"Forget Sudoku, crossword puzzles and computer games. If you really want to train your brain, then eat dark chocolate, have plenty of sex and follow the Scandinavian example of having cold meat for breakfast.
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It also points out that of the seven different chemical reactions that the brain undergoes in the sexual process, from contemplating intercourse to achieving orgasm, four help the thinking process. The ensuing increase in levels of the 'trust' hormone, oxytocin, for example, increases readiness to think of novel or risky solutions."
http://www.guardian.co.uk/science/2007/dec/02/medicalresearch.foodtech?gusrc=rss&feed=networkfront
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