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مشاهدة النسخة كاملة : Sleep 'cleans' the brain of toxins


BECKHAM
17-10-2013, 08:28 PM
The brain uses sleep to wash away the waste toxins of a hard day's thinking, US researchers have demonstrated.

for more .... (http://www.bbc.co.uk/news/health-24567412#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)