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مشاهدة النسخة كاملة : Why scratching 'intensifies itching'


BECKHAM
31-10-2014, 01:23 AM
Scratching an itch releases serotonin, which paradoxically makes you more itchy, research suggests.

for more .... (http://www.bbc.co.uk/news/health-29819754#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)