By Nick Collins, Science Correspondent 4:17PM GMT 14 Nov 2012
A “fidelity” hormone which could keep married men from straying has been identified by scientists.
A nasal spray containing the hormone caused men with wives or long-term partners to keep a greater distance from attractive women but had no affect on bachelors, researchers found.
Although those in relationships did not judge the woman to be any less attractive, they began to feel uncomfortable more quickly when approached by the woman and asked her to remain further away.
Oxytocin, dubbed the “love hormone”, was already known for its role in attraction and bonding in both men and women, but had never been shown to play a lasting role in long-term relationships.
The findings suggest that boosting levels of oxytocin could help maintain marriages by preventing men from appearing interested in other women, researchers said.
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Also see Did British Spies Consider Giving Hitler Female Hormones?, Does Love Depend on Blood Type?, Is Alcohol Really Addictive?, Do You Have The ‘Love Hormone’ Gene? and How Long Does it Take to Feel Rejected?