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[Correspondence] Sport and the city: midtown madness

Physical inactivity might lead to excess cardiovascular and cancer mortality, whereas compliance with the WHO-recommended moderate and vigorous physical activity (MPVA) of 150 min per week as part of a healthy lifestyle could reduce that risk. One could argue that this is largely a matter of public education, but if people can be convinced, do they have sufficient opportunities to act accordingly? James Sallis and colleagues1 (May 28, p 2207) showed that the design of the urban environment has an important effect on physical activity levels of residents.