A study of 130 overweight people discovered those who commuted daily by bike for six months shed virtually as many pounds as those who embarked on a weight-loss fitness programme.
Dr Carlos Celis-Morales, from the University of Glasgow which carried out the research, said: "This may be because walkers commuted shorter distances than cyclists, typically six miles per week, compared with 30 miles per week and walking is generally a lower intensity of exercise than cycling.
Dr Carlos Celis-Morales, from the University of Glasgow which carried out the research, said: "This may be because walkers commuted shorter distances than cyclists, typically six miles per week, compared with 30 miles per week and walking is generally a lower intensity of exercise than cycling.
Those who commuted by bicycle were the leanest of all, but even taking the train was linked to lower body weight and body fat, the authors report in The Lancet Diabetes and Endocrinology.
People paid a premium to live in the suburbs and commuted in to the city centres to work.
It may contribute to weight gain A 2012 study published in the American Journal of Preventative Medicine found that the farther Texas residents commuted every day, the more likely they were to be overweight.
As a graduate student at Teachers College, Columbia University, Victoria Porpora commuted to school from her parents' home in Scarsdale, N.