I would suspect that "$PEOPLE without helmets triple their chance of death by head injury". I also suspect that there are more car drivers with head injuries th

I would suspect that "$PEOPLE without helmets triple their chance of death by head injury". I also suspect that there are more car drivers with head injuries than cyclists, because there are much more car drivers to begin with. Should you wear a helmet in a car? Should you wear a helmet as a pedestrian? After five minutes of googling, I sadly did not find any relevant statistics.