title: It's a glad, sad, mad world. Where you live, as much as how you live, is a key influence on the feel-good factor.
authors.forename: Walter
authors.initials: W
authors.lastname: Kirn
mesh_terms: D005843:Geography; D006240:Happiness; D006801:Humans; D008019:Life Style; D010549:Personal Satisfaction; D014481:United States