Running SmartA science writer and recreational runner explores the science behind popularly held beliefs about shoes, injuries, nutrition, "runner's high," and more. Conventional wisdom about running is passed down like folklore (and sometimes contradicts itself)the right kind of shoe prevents injuryor running barefoot, like our prehistoric ancestors, is best; eat a high fat dietand also carbo load before a race; running cures depressionbut it might be addictive;