Prognosis in obesity: Obstacles must be removed to prevent obesity through increased physical activity

doi:10.1136/bmj.331.7514.452-a

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Erik Hemmingsson, health educator (erik.hemmingsson@medhs.ki.se)

Obesity Unit, Karolinska University Hospital, SE-141 86 Stockholm, Sweden

EDITOR—In his editorial Lean proposes that we all eat a little less (0.418 mJ/day) and walk a little more (0.418 mJ/day, equivalent to 2000 steps) to prevent 90% of obesity.1 If such recommendations work, they may seem a reasonable sacrifice for individual people and therefore could work in practice. To promote physical activity, however, we as a society face ever …