title: Dens of inactivity.
authors.forename: Roger
authors.initials: R
authors.lastname: Collier
mesh_terms: D006293:Health Promotion; D006801:Humans; D009043:Motor Activity; D011322:Primary Prevention / Q000458:organization & administration*; D012307:Risk Factors; D057185:Sedentary Behavior; D013690:Television; D017132:Workplace; D014944:World Health Organization