The drug oxytocin is being linked to racial prejudice. Oxytocin, known as the ‘love drug’ is credited with increasing amorous feelings in the brain, but now scientist fear it be also be a contributor to the emotion of ‘hatred,’ as it may cause people to care or express compassion only for members of their own race/ethnicity.
Writing in the New York Times, Nicholas Wade described the research this way:
As oxytocin comes into sharper focus, its social radius of action turns out to have definite limits. The love and trust it promotes are not toward the world in general, just toward a person’s in-group. Oxytocin turns out to be the hormone of the clan, not of universal brotherhood. Psychologists trying to specify its role have now concluded it is the agent of ethnocentrism.
Read more of the article’s findings here