title: Changing level of physical activity and changing degree of happiness.
authors.affiliation: Department of Sports Medicine, Stanford University School of Medicine, Stanford, California.
authors.forename: Gordon O
authors.initials: GO
authors.lastname: Matheson
mesh_terms: D015444:Exercise / Q000523:psychology*; D005260:Female; D006240:Happiness; D006801:Humans; D007899:Leisure Activities; D008297:Male; D009043:Motor Activity; D057185:Sedentary Behavior