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مشاهدة النسخة كاملة : One kiss 'shares 80 million bugs'


BECKHAM
17-11-2014, 05:20 AM
A small study by Dutch scientists suggests a single 10-second kiss can transfer as many as 80 million bacteria.

for more .... (http://www.bbc.co.uk/news/health-30055646#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)