Does testosterone make you gay

However, biologists have documented homosexual behavior in more than species , arguing that same-sex behavior is not an unnatural choice, and may in fact play a vital role within populations. In a issue of Science magazine , geneticist Andrea Ganna at the Broad Institute of MIT and Harvard, and colleagues, described the largest survey to date for genes associated with same-sex behavior.

WHAT ARE SOME INDIVIDUALS GAY WHILE OTHERS ARE NOT?

The size differential between males and females was most apparent in INAH 3. In males, this nucleus can be from two to three times larger than it is in females. This difference spans all age groups, meaning that the differentiation must occur at some time before birth.

Why Testosterone Is Important for Sexuality in Both Sexes

For example, the anterior commissure, which is typically larger in women than men, was found to be larger in gay men than straight men. In a different study, the corpus collosum was found to be significantly larger in gay men than straight men, which is more typical of female brains.