Originally Posted by
rydabent
I guess it is about time I mention an "authority" on cycling safety John Forester. In his book he states that simple falling covers around 80% of cycling accidents. If that is true, then it follows that a helmet is far more effective than the anti helmet crowd is willing to admit.
Don't pretend to be stupid. Of course it doesn't "follow". Before you could make such an assertion you would need to know the proportion of simple falls that gave rise to head injuries, the severity of those injuries, the efficacy of helmets in mitigating those effects, and so on and so on.