A large natural experiment in Catalonia shows that moving to areas with higher levels of air pollution is associated with weight gain in young children. The study, led by the Barcelona Institute for ...

Thanks to a 'natural experiment' involving 30,000 people, researchers were able to determine very precisely what an extra year of education does to the brain in the long term. To their surprise, they ...

Moving to more polluted areas was associated with an increase in body mass index, according to an analysis of more than 46,000 children and adolescents living in Catalonia. A large natural experiment ...