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Studies have shown that people from Denmark are officially the happiest people on Earth, and now scientists think they know why.
According to research from the University of Warwick, genetics could be the key to explaining a nation’s levels of happiness.
Researchers who looked at survey data from 131 countries found that the closer a nation was genetically to the Danes, the happier its people were....
Compared with people from other countries, Danes were less likely to possess a short version of the gene linked to low levels of life satisfaction
http://www.dailymail.co.uk/sciencete...happiness.html
https://warwick.ac.uk/newsandevents/...ish_dna_could/
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