Kjaer, M Physical inactivity is an underestimated risk factor for development of morbidity and mortality. [electronic resource] - Scandinavian journal of medicine & science in sports Oct 2000 - 247-8 p. digital Publication Type: Editorial ISSN: 0905-7188 Standard No.: 10.1034/j.1600-0838.2000.010005247.x doi Subjects--Topical Terms: Chronic Disease--epidemiologyExerciseHumansImmobilization--adverse effectsMorbidityMortalityPhysical FitnessRisk Factors