Male-to-female (MTF) hormone therapy, or estrogen hormone therapy, is a treatment that some people may receive in order to induce “feminine” physical traits and suppress “masculine” ones. This may ...

Marisa Rivas never felt comfortable living as a woman, but doesn’t identify as a man either. Last year, Rivas, 30, a college admissions coordinator in Los Angeles, had a mastectomy. This year, Rivas ...

In post-menopausal women, having a higher blood level of a male hormone (testosterone) and a higher ratio of the male-type to-female type (estrogen) of hormones is associated with a higher risk of ...