article on sexual orientation thanks for the information you sent on signing edits however i had problems using it unfortunately i did not sign my most recent changes because i could not find the place to add my signature i have added three links i believe enrich the discussion on sexual orientation all links regarding prostaglandins and sexual behavior development are relevant to the discussion of whether sexual orientation is determined from birth moreover the paper by amateau and mccarthy the one by sanders are of interest for raising the issue of epitestosterone's influence on brain gender and sex behavior recently epitestosterone and the t e ratio have received a great deal of attention in the press and given that the upswing of endocrine research on homosexuals started with a paper that found significantly lowered excretion of testosterone and epitestosterone in homosexual men the glbt community should be aware of this research see endocrine function in male and female homosexuals loraine et al and sex hormones and male homosexuality meyer bahlburg