“Levels of obesity, high blood pressure and diabetes are lower in cities where a higher percentage of commuters bicycle or walk to work, and cities where drivers get used to sharing the road with bikers and walkers generally have lower rates of pedestrian and bike fatalities.”
http://www.usatoday.com/story/news/nation/2014/04/16/walking-biking-make-healthier-cities-report-finds/7756361/
