A new study found that marital stability is partially affected by genotypes.
The Telegraph: Key to a happy marriage? It's in your genes, scientists discover
According to the researchers, there is some variation regarding oxytocin, a hormone recently attracting specialists' attention, in genes. People with GG genotype are likely to be satisfied with their social relationship due to a stabilized release of oxytocin.
Indeed, oxytocin is said to be associated with social bonding, and even love. Oxytocin is expected to be a remedy to cure social disturbance in patients with autism, though the outcome is yet to be critically examined.
However, it is hardly credible that a single hormone influences the success rate of a couple's life.
Researchers calculated that the intensity of influence by oxytocin was 4%. It seems reasonable rate, I sense.
Nowadays, the divorce rate is increasing in many developed countries. It is for several societal reasons. I am doubtful that the oxytocin level is inferior in modern humans to ancestors.
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