The study makes some comparisons to UK cycling which should be taken with a pinch of salt. The UK has some of the highest density road traffic in the world -

The study makes some comparisons to UK cycling which should be taken with a pinch of salt. The UK has some of the highest density road traffic in the world - NZ nowhere near. Not to mention the argument that increased cycling deaths offsets deaths by obesity is completely specious. Obesity kills when you're 40-50+, not wearing a helmet kills kids when they're 10. I know which I'd prefer as a parent.