Employed a needs assessment to explore the health and social service needs of transgender individual's in Chicago over 6 months — via snowball sampling and using trained transgender interviewers. Health care and medicine. Female to Male Transsexuals in Society. Retrieved 20 April Lesbiangaybisexualand transgender LGBT topics. Risk of various outcomes in sex-reassigned persons in Sweden compared to population controls matched for birth year and birth sex.
With regard to genetic factors, a study by Hare reported that trans women have a longer androgen receptor gene than cis men, which is less effective at binding testosterone, potentially preventing complete masculinization of the brain prenatal androgen exposure or sensitivity, or lack thereof, is an often cited mechanism to explain observed brain-structure differences.
The same was true regarding violent crime. Fazel S, Grann M The population impact of severe mental illness on violent crime. Follow-up of sex reassignment surgery in transsexuals:
Psychol Sex Orientat Gend Divers.