Oral sex linked to mouth cancer 公仔箱論壇" ?& F- W: w6 D3 G/ _/ C7 v) E
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3 n& P# |) L. f) |+ t5.39.217.76Scieintists looked at tissue samples from patients tvb now,tvbnow,bttvb3 z8 b& }) d. j( T
Some cases of mouth cancer could be caused by a virus contracted during oral sex, scientists have warned.5.39.217.76* g4 [' Q/ d1 o# E" A
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Writing in New Scientist magazine, US researchers said the human papilloma virus, which causes most cervical cancers, may also cause oral tumours.tvb now,tvbnow,bttvb" ]& N: ?, Y, }( S