US federal regulators said Friday they were investigating products containing testosterone after recent studies suggested a higher risk of strokes and heart attacks in men being treated with the hormone.
Understanding the underpinnings of Parkinson’s disease, estimated to affect 6.3 million people worldwide, is a focus of researchers. A new study links sudden dips in the male sex hormone testosterone to the neurological disease.
A new study at Northwestern University shows conclusively that fatherhood lowers men's testosterone levels, suggesting that caring for offspring is "biologically hardwired" into human males, the scientists claimed.
Women with higher testosterone levels are seven times more likely to take financial risks. When given a choice between a guaranteed monetary award and the chance of winning a lottery worth more money, testosterone levels weighted the results.
Dorothy Parker might have had something to say about this. A British study has linked humor to male hormones. The theory is that it’s part of sexual competition, channeling aggression. The debatable point is that part of this research is unicycle-based