One reason why bicycles are so necessary

The BBC reports today the lastest bad news concerning Americans' health, or lack thereof. Increasingly, we're not just becoming a country of people who weigh a little bit more than perhaps we ideally should; more and more of us are becoming truly obese. This is a complex issue in terms of both causes and effects, but it seems clear that bicycling offers a significant path to improvement. Indeed, this is exactly the theme of September's issue of Bicycling magazine.