Happiness gene found

We already know lots and lots and lots and lots and lots about happiness.

But forget money, fame and good looks. The best chance of happiness and contentment comes from having two copies of a particular gene.

That’s true, at least, for 2574 ageing adolescents in the US who answered a questionnaire about their satisfaction with life, or lack of it.

It’s the first formal finding of a happiness gene, although others are bound to be found.

The happiest people tended to have a long variant of a gene called 5-HTTLPR. This gene makes a transporter molecule for serotonin, a chemical that brain cells use to communicate with each other, and the long variant helps to recycle serotonin faster and more efficiently than the short one. Learn more here or here.

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