The Massachusetts Governor's Commission on Gay and Lesbian Youth in their education report cited numerous anecdotes of physical assaults by both peers and family members. On the street, they are victims of rape, exploitation, drug misuse, and at risk of contracting HIV. Breast and endometrial cancer Lesbian and bisexual women are less likely to use oral contraceptives, more likely to be nulliparous, and more likely to smoke cigarettes than heterosexual women—all risk factors for breast and endometrial cancer. They should also be aware of local support groups for lesbians with breast cancer. Sexually transmitted diseases Recent evidence suggests that it is possible to transmit diseases from woman to woman through sexual activity. Sexual behaviors thought to be associated with increased risk of transmission include vaginal-vaginal contact, cunnilingus, anilingus, digital or manual vaginal or anal contact, and insertion of sexual devices or toys into the mouth, vagina, or anus.