Mikael Colville-Andersen's TEDx talk is what first got me thinking about this: http://tedxtalks.ted.com/video/TEDxCopenhagen-Mikael-Colville http://tedxtalks.te

Mikael Colville-Andersen's TEDx talk is what first got me thinking about this: http://tedxtalks.ted.com/video/TEDxCopenhagen-Mikael-Colville http://tedxtalks.ted.com/video/TEDxCopenhagen-Mikael-Colvill... (I don't think biking without a helmet is better than biking with, as the title suggests, but I wouldn't be surprised if helmet laws/media campaigns are harmful.)