Comment by bluGill

>I find it interesting that no one in The Netherlands wears a helmet when cycling and yet serious cycling injuries don’t seem to be a common thing

Neurosurgeons in the Netherlands disagree with this, and are begging locals to wear helmets. https://www.dutchnews.nl/news/2021/10/neurologists-launch-ca...

I don't know how rates of injuries compare between countries, but that is irrelevant.