Do not take too long holidays According to Siegfried Lehrl, a researcher at the University of Erlangen and Nuremberg (Germany), enjoy more than 14 consecutive days of absence from work may lower cogniflex the IQ of about 20 points. 9 - Take a nap He has demonstrated a He speaks many languages Mastering several languages offers flexibility, clarity and alertness. As shown by the researchers of the University of Tel Aviv (Israel), the brain remains more elastic and responsive, even in very old age. Would not it be great if there were some substances that can make you smarter? In fact, few people know that in nature you can find some active ingredients can improve cognition ... search of the University of Dusseldorf (Germany): just a 6-minute nap to trigger, and then hold training, the processing mechanism in the brain memories.

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