January 19, 2026
Q: What does science say about gender identity?
Reproductive Health
Those Nerdy Girls
A: Differences in brain structure and/or function, hormone levels during different phases of development, and even genetics seem to shape our internal sense of gender identity. Sometimes these “line up” with the factors determining body anatomy, and sometimes they do not. Gender identity seems to be “hard wired” into the brain. There is no evidence Read more…
A: Differences in brain structure and/or function, hormone levels during different phases of development, and even genetics seem to shape our internal sense of gender identity. Sometimes these “line up” with the factors determining body anatomy, and sometimes they do not. Gender identity seems to be “hard wired” into the brain. There is no evidence Read more…
