There are specific types/anatomic locations of STDs that, though not wholly unknown among promiscuous heterosexual individuals, nonetheless are considered the result of homosexual behavior, including Amoebic bowel disease, cytomegalovirus, shigellosis, giardiasis, Anal warts, herpes of the throat, urethritis from Chlamidia spp., mycoplasma spp.,Ureaplasma urealyticum and Trichomonas spp., and Hepatitis B.