People don’t gain or lose weight because they live near a fast-food restaurant or supermarket, according to a new study led by the University of Washington. And, living in a more “walkable,” dense neighborhood likely only has a small impact on weight. These “built-environment” amenities have been seen in past research as essential contributors to losing weight or tending toward obesity. The idea appears obvious: If you live next to a fast-food restaurant, you’ll eat there more and thus gain…



