When I was a kid, my best friend's brother died because he was not wearing a bike helmet. I do, in fact, always wear a bike helmet.
The argument is not whether, if hit in the head, you are more likely to get a head injury. It is clear that bike helmets reduce those injuries.
The question is, if we required everyone to wear helmets, or required everyone to not wear helmets, which would result in less injuries/fatalities. And secondarily, if it turns out that bike helmets reduce injuries and fatalities, has it been worth the cost, vs other things we could spend money on, say legally required non-slip surfaces for bathtubs.
There are multiple factors that could affect this, here are two such things:
The argument is not whether, if hit in the head, you are more likely to get a head injury. It is clear that bike helmets reduce those injuries.
The question is, if we required everyone to wear helmets, or required everyone to not wear helmets, which would result in less injuries/fatalities. And secondarily, if it turns out that bike helmets reduce injuries and fatalities, has it been worth the cost, vs other things we could spend money on, say legally required non-slip surfaces for bathtubs.
There are multiple factors that could affect this, here are two such things: