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Overweight and Underworked
The Biggest KillerYour Heart 0
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active Allen Kerr arterial disease Arthur Lydiard atheroma atherosclerosis athletes Auckland Auckland Joggers auricle average began jogging begin benefits better Bill Bill Bowerman Bill Symons body Bowerman calories capacity cardio-respiratory system cause cholesterol coach Colin Kay condition coronary disease countries Dave dessertspoon develop diet doctor dynamic fitness effort energy output enjoy exercise extra faster fatigue fatty feel football going hard Harvard step test heart disease increase joggers jogging keep knee legs living lungs marathon meal medium miles a week minutes morning Murray Halberg muscles muscular muscular system normal overweight pace Peter Snell Photographs by Allen physical fitness pounds pressure problem pulse rate pumped rate of coronary realise respiratory round runner shoes sore speed sport stamina stop tired tissues trouble unfitness valves veins ventricle Waiatarua walking weight women yards Zealand