Bisexuals, who account for about four-in-ten LGBT adults in the United States, stand apart from gay and lesbian adults in many ways, such as the fact that they are less likely to view their sexual orientation as central to their identity. The experience of coming out to friends and family can be complex. Among those who did come out, bisexual adults report somewhat different experiences from gays and lesbians. Gays and lesbians are somewhat less likely to report being solely attracted to one gender.
Skin cancer more common among gay and bisexual men - NHS
Bisexuality is romantic attraction, sexual attraction , or sexual behavior toward both males and females,   or to more than one sex or gender. The term bisexuality is mainly used in the context of human attraction to denote romantic or sexual feelings toward both men and women,   and the concept is one of the three main classifications of sexual orientation along with heterosexuality and homosexuality , all of which exist on the heterosexual—homosexual continuum. A bisexual identity does not necessarily equate to equal sexual attraction to both sexes; commonly, people who have a distinct but not exclusive sexual preference for one sex over the other also identify themselves as bisexual. Scientists do not know the exact cause of sexual orientation, but they theorize that it is caused by a complex interplay of genetic , hormonal , and environmental influences ,    and do not view it as a choice. Bisexuality has been observed in various human societies  and elsewhere in the animal kingdom    throughout recorded history. The term bisexuality , however, like the terms hetero- and homosexuality , was coined in the 19th century. Bisexuality is romantic or sexual attraction to both males and females.
The bisexuality dating dilemma
Thanks to years of hard work by LGBT activists, people in certain corners of the world feel more comfortable about coming out than ever before. And yet, dating a man who identifies as bisexual remains a taboo. But by seeing bisexuality as a deal-breaker, heterosexual women might not only be unwittingly dodging perfectly decent partners, but the best. Research has found that men who are bisexual - and feel comfortable being out - are better in bed - and the relationship develops - more caring long-term partners and fathers.
Back to Cancer. A survey of , men and women in the US found that men who said they were gay or bisexual were more likely to have been diagnosed with skin cancer than straight heterosexual men. Women who said they were lesbian, gay or bisexual were equally or less likely to have been diagnosed with skin cancer compared to straight women.