Adolescents worry about passing tests, winning games, lost phones, fractured bones—and whether or not they will ever really fall in love. Three Chinese researchers have focused on that last question. They pose the questions: Why do some students stay single? What factors determine if a young adult falls in love? They have written the paper, “The association between romantic relationship status and 5-HT1A gene in young adults.” in Scientific Reports.
Beyond those familiar factors—hair style, beauty, clothes, smooth talking and engaging personality—they set out to show that genetic variants may contribute to the start or non-start of a romantic relationship. “Love-related behaviors, such as pair bonding and affective affiliation, are shown to be associated with the serotonin levels in the brain,” they said. “In non-human animals, decreasing serotonin levels via 5-HT1A receptor agonists diminishes female sexual receptivity and induces aggression towards male mates.
Read more at: MedicalXpress