Male Sweat Boosts Women's Hormone Levels

... Male sweat, and one particular chemical in male sweat, is known to influence women's moods, and even increase their sexual arousal. Now, a study by Claire Wyart at UC Berkeley shows that the chemical andrastadienone in male sweat also boosts levels of the hormone cortisol in women who sniff it. These findings suggest that andrastadienone may be a human pheromone, causing both behavioral and hormonal changes in women. ...