Twins prove fainting is (mostly) in the genes
 in the genes "Pin It")
Identical twins are nearly twice as likely to both faint compared to non-identical twins, a new study shows.
“Our results suggest that while fainting appears to have a strong genetic component, there may be multiple genes and multiple environmental factors that influence the phenomenon,” says Sam Berkovic, a professor from the University of Melbourne.
Full story at Futurity.
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