The world has put on weight since the 1960s – here’s why
Researchers use Norwegian data to see if genes or environment are to blame for obesity epidemic
People with a genetic disposition for obesity are at even greater risk from an obesogenic environment than their non-genetically affected peers, a study finds.
But with BMI increasing in people, whether genetically predisposed or not, the findings tip the scales in favour of the environment as the main contributor to the obesity epidemic, researchers say.
