![Counter-intuitive statistics: In the early 90s New Zealand made bicycle helmets compulsory. Wearing them doubled, head injuries stayed the same, and a third of cyclists stopped riding. : r/cycling Counter-intuitive statistics: In the early 90s New Zealand made bicycle helmets compulsory. Wearing them doubled, head injuries stayed the same, and a third of cyclists stopped riding. : r/cycling](http://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Adult_cyclist_head_injuries_versus_helmet_use_in_New_Zealand.svg/1000px-Adult_cyclist_head_injuries_versus_helmet_use_in_New_Zealand.svg.png)
Counter-intuitive statistics: In the early 90s New Zealand made bicycle helmets compulsory. Wearing them doubled, head injuries stayed the same, and a third of cyclists stopped riding. : r/cycling
![Cost-effectiveness of mandatory bicycle helmet use to prevent traumatic brain injuries and death | BMC Public Health | Full Text Cost-effectiveness of mandatory bicycle helmet use to prevent traumatic brain injuries and death | BMC Public Health | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12889-020-08544-5/MediaObjects/12889_2020_8544_Fig2_HTML.png)
Cost-effectiveness of mandatory bicycle helmet use to prevent traumatic brain injuries and death | BMC Public Health | Full Text
![Bicycle helmets reduce risk of serious head injury by nearly 70%, study finds | Cycling | The Guardian Bicycle helmets reduce risk of serious head injury by nearly 70%, study finds | Cycling | The Guardian](https://i.guim.co.uk/img/media/c78b9037c702c8ff41644522b0df7787ff7b6dd7/0_335_5568_3341/master/5568.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTYucG5n&s=3fdff51753364ed60e142a7d7cc34482)