![تويتر \ Waterloo Regional Police على تويتر: "Bike helmets save lives. Helmets can reduce the risk of injury or death if you are in a collision. Cyclists under age 18 must wear تويتر \ Waterloo Regional Police على تويتر: "Bike helmets save lives. Helmets can reduce the risk of injury or death if you are in a collision. Cyclists under age 18 must wear](https://pbs.twimg.com/media/EZw-2aUXgAEKIR6.jpg)
تويتر \ Waterloo Regional Police على تويتر: "Bike helmets save lives. Helmets can reduce the risk of injury or death if you are in a collision. Cyclists under age 18 must wear
![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)
Bicycle helmets reduce risk of serious head injury by nearly 70%, study finds | Cycling | The Guardian
![CDC Injury Center on Twitter: "A9. Bike helmets save lives. Learn more about helmet safety: https://t.co/QEeSdUp6nE #BeInjuryFree https://t.co/XHse9k9mHM" / Twitter CDC Injury Center on Twitter: "A9. Bike helmets save lives. Learn more about helmet safety: https://t.co/QEeSdUp6nE #BeInjuryFree https://t.co/XHse9k9mHM" / Twitter](https://pbs.twimg.com/media/FEf05L-WYBMC7Rr.jpg)