The short version is that for most types of city bike use, a helmet doesn't seem to confer any noticeable additional safety. The analysis is difficult in part because while yes, a helmet can reduce the severity of head injuries, the full cost analysis is difficult. Fewer people bike if they have to wear a helmet, and don't forget that the helmet itself costs money, and must be replaced every few years.
I personally think most people wear bike helmets as a talisman, given the number of improperly worn helmets I've seen. I also think that people don't know if/when it's supposed to be replaced.
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[ 3.9 ms ] story [ 17.3 ms ] threadI didn't want it to distract from the bike.
http://en.wikipedia.org/wiki/Bicycle_helmet#Science:_measuri...
The short version is that for most types of city bike use, a helmet doesn't seem to confer any noticeable additional safety. The analysis is difficult in part because while yes, a helmet can reduce the severity of head injuries, the full cost analysis is difficult. Fewer people bike if they have to wear a helmet, and don't forget that the helmet itself costs money, and must be replaced every few years.
I personally think most people wear bike helmets as a talisman, given the number of improperly worn helmets I've seen. I also think that people don't know if/when it's supposed to be replaced.