> Head injuries are a leading form of death for car occupants, so why don’t we wear helmets when driving? What percent of bicyclists have been in an accident t

> Head injuries are a leading form of death for car occupants, so why don’t we wear helmets when driving? What percent of bicyclists have been in an accident that would benefit from a helmet? Must be at least 10x the percent of car occupants who have been in such an accident.