title: The "inactivity trap".
authors: Mary Kate
authors: MK
authors: Elfrey
authors: Roy C
authors: RC
authors: Ziegelstein
mesh_terms: D005075:Biological Evolution; D003866:Depressive Disorder / Q000150:complications* / Q000453:epidemiology / Q000517:prevention & control / Q000523:psychology*; D015444:Exercise / Q000502:physiology / Q000523:psychology; D005221:Fatigue / Q000209:etiology; D006331:Heart Diseases / Q000209:etiology / Q000401:mortality; D006801:Humans; D015995:Prevalence; D012307:Risk Factors