Birth control pill may curb women’s competitive drive

A new study has shed light on relationships between hormones, fertility, and competitive behavior in women. Researchers discovered that while natural fluctuations in fertility across the menstrual cycle do not appear to influence a woman’s

Harmine has no major psychoactive effects

A study examining the effects of harmine, a major component of ayahuasca, found that it produces no significant psychoactive effects in doses up to 500 mg. None of the participants experienced hallucinations or any notable