Steve Bird and his colleagues in the department of sport and exercise science at Canterbury Christ Church University College in Kent reached these conclusions after putting 56 couch potatoes through an l8-week course of daily walks.

• 坎特伯雷基督堂大学学院体育与运动科学系的史蒂夫·伯德及其同事是在让56个电视迷参加为期18周的日常步行锻炼后得出上述结论的。