Do brain chemicals influence how we choose friends? Sometimes I meet someone that I immediately like. On other occasions, I encounter someone I know right away that friendship is not in the cards. Why?
A new study from the University of Maryland School of Medicine suggests that our biology may play a role in who we select as friends. There appears to be a biological basis behind our instantaneous compatibility reaction.
What’s the biology behind our first impressions? The scientists point to variations of an enzyme in a brain part that regulates motivation and mood.
A team of researchers showed that variations of an enzyme (found in a part of the brain that regulates mood and motivation) seem to regulate which mice want to connect with other mice socially. Genetically similar rodents seem to prefer one another.
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