![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=700&quality=85&auto=format&fit=max&s=8d1debfc2aa5efc9f4cff04563f5eb62)
Bicycle helmets reduce risk of serious head injury by nearly 70%, study finds | Cycling | The Guardian
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![A New Jersey lawmaker has proposed a bike helmet mandate for adults, which would be the first such law in the U.S. | PhillyVoice A New Jersey lawmaker has proposed a bike helmet mandate for adults, which would be the first such law in the U.S. | PhillyVoice](https://media.phillyvoice.com/media/images/bike_helmets_12_2_22.2e16d0ba.fill-735x490.jpg)