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Genes can predict marriage satisfaction

A serotonin regulating gene can predict how much our relationships affect our emotions, according to a new study.

Researchers at University of California Berkeley and Northwestern University found a link between relationship fulfilment and gene variations, or alleles, while studying 126 DNA samples from middle-aged and older couples.

Those with two short alleles were found to be unhappy in marriages with negative emotions, and happy when there was positive emotion.

Those with one or two long alleles were found to be more indifferent to the emotional climate of their marriages.

Read more at University of California, Berkeley

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