Comment on Why it makes sense to bike without a helmetparentComments−Jemaclus12yPer 100,000 what? Per 100,000 people in the general population? Per 100,000 un-helmeted cyclists? Per 100,000 cyclists in general?
Comments
Per 100,000 what? Per 100,000 people in the general population? Per 100,000 un-helmeted cyclists? Per 100,000 cyclists in general?