[ycombinete]

My uninformed guess would be that many head injuries in cars would not be helped by wearing a helmet. G-force related injuries, like whiplash, and being hit by the airbag.

It’s a hard line to draw. I remember reading a comment on HN a while ago. In it the commenter said that whenever he left the house he wore earplugs, and protective glasses. Earplugs because he got a bit of tinnitus once, and the glasses, because once he almost walked into a tree branch and almost lost an eye. He’d probably say that we should wear a helmet no matter where we are or what we’re doing.