Men having sex with men (MSM) are at risk of infection from human papillomavirus (HPV) and should have regular anal pap smears, a medical expert advised on Wednesday.
A study by the Thai Red Cross Aids Research Centre shows that, among men, anal HPV infection which can lead to anal cancer is a high risk, compared with men having sex with women.
Thai couple Tanakorn Sittiamthong, right, and Nonthawat Charoengaysornsin kiss during a contest to break the Guinness World Record for longest continuous kiss as part of Valentine's Day celebrations at Pattaya last year. (EPA Photo)
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