In addition, amebiasis can cause proctitis which increases the risk factor of [[HIV]] infection.<ref>http://www.umm.edu/ency/article/001139.htm</ref><ref>[http://www.medscape.com/viewarticle/470936_4 Medscape - New Look at "Gay Bowel Syndrome"]</ref> In 2006, the ''[[The Medical Journal of Australia]]'' reported:
In addition, amebiasis can cause proctitis which increases the risk factor of [[HIV]] infection.<ref>http://www.umm.edu/ency/article/001139.htm</ref><ref>[http://www.medscape.com/viewarticle/470936_4 Medscape - New Look at "Gay Bowel Syndrome"]</ref> In 2006, the ''[[The Medical Journal of Australia]]'' reported:
{{cquote|High rates of intestinal [[parasite|parasitism]] are found in [[Homsexuality|MSM]] [men who have sex with men] throughout the world.<ref>[http://www.mja.com.au/public/issues/185_08_161006/sta10803_fm.html Stark DJ, Fotedar R, Ellis JT, Harkness JL. ''Locally acquired infection with Entamoeba histolytica in men who have sex with men in Australia.'' MJA 2006; 185 (8): 417]</ref>}}
{{cquote|High rates of intestinal [[parasite|parasitism]] are found in [[Homsexuality|MSM]] [men who have sex with men] throughout the world.<ref>[http://www.mja.com.au/public/issues/185_08_161006/sta10803_fm.html Stark DJ, Fotedar R, Ellis JT, Harkness JL. ''Locally acquired infection with Entamoeba histolytica in men who have sex with men in Australia.'' MJA 2006; 185 (8): 417]</ref>}}
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In 1981, there was a study published in the Swedish medical journal