>>4708801My current theory was a hypersexual genetic variant, possibly epigenetic expression based on some social or chemical signalling in dense population clusters. Women express the phenotype successfully via increased fecundidty (check Canadian Youth health studies on teen pregnancy in LGBT identified females), and in men it is a useless genetic spandrel (like nipples)....
Simon Levay was gay but he did do some work on HIV infected cadavers and some variance in hypothalamus anatomy. It was never clear if HIV affected the results and the sample was small (some 40 cadavers)...
Would a sample size of 40 dead feminists jump start your research?