Few hallmarks of the 1960s counterculture stand out like sex, drugs, and rock-n-roll—elements of a “lifestyle” that Life magazine once branded as “antithetical in almost every respect to that of conventional America.” Over the decades, as rock music became more mainstream, public condemnation of casual sex and illicit drugs endured. Why was that? Part of the answer may reside in our genes.
New research published in the journal Psychological Science suggests that there is a common genetic basis underlying a person’s disapproval of noncommittal sex and their condemnation of recreational drug use. This research helps psychologists better understand how heredity may relate to some of our deeply held moral values.
“People adopt behaviors and attitudes, including certain moral views, that are advantageous to their own interests,” said Annika Karinen, a researcher at Vrije Universiteit Amsterdam in the Netherlands and the lead author on the paper. “People tend to associate recreational drug use with noncommitted sex. As such, people who are heavily oriented toward high commitment in sexual relationships morally condemn recreational drugs, as they benefit from environments in which high sexual commitment is the norm.”
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