Humans can Send Out Signals of Smell

Researchers report their findings in the Cell Press journal iCurrent Biology/i on May 1 that the human body produces chemical cues communicating gender to members of the opposite sex. Whiffs of the active steroid ingredients (androstadienone in males and estratetraenol in females) influence our perceptions of movement as being either more masculine or more feminine. The effect, which occurs completely without awareness, depends on both our biological sex and our sexual ...