Male aggression is commonly pinned on testosterone, and estrogen is credited with imparting females with maternal instinct – but the true story of the sex hormones, and their roles in male and female behavior, is a lot more subtle. Here's why estrogen is an important hormone for males and females alike.
It's not often you do a search on a scientific subject and come up with a journal from 1888, but people were puzzled by this mystery for a while: Female birds, usually once they've reached a sufficiently advanced age, can suddenly grow male plumage and take on male behaviors.
If you're tying to figure out how cute a baby is, you had better ask a premenopausal woman: they're scientifically proven to have the highest cuteness sensitivity. Yes, this experiment involved coming up with an objective scale of baby cuteness.
Does not wanting a baby make you less feminine? Or does being less feminine (be it in the way you look, or in your hormone levels) make you less likely to want children?
Soon, you could be determining your breast cancer risk with a simple needle jab, to collect a small amount of tissue — which doctors would electrify and subject to weird chemicals, before extracting the estrogen for analysis.
Although thousands of women take estrogen replacement therapy (ERT) to avoid the unpleasantness of menopause, study after study has shown that ERT may shorten life. But today researchers announced results from a study of testosterone therapy that suggested the substance known as T may become a crucial ingredient in…
Hormones are the new recreational drugs, helping you maintain that zippy youthful feeling even into your 60s and letting you grow cool secondary sex characteristics your own hormones won't. For those reasons, estrogen is one of the hottest black market hormones. Menopausal women and transsexuals denied estrogen…