![Cycling area can be a confounder and effect modifier of the association between helmet use and cyclists' risk of death after a crash | Scientific Reports Cycling area can be a confounder and effect modifier of the association between helmet use and cyclists' risk of death after a crash | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-022-07135-1/MediaObjects/41598_2022_7135_Fig1_HTML.png)
Cycling area can be a confounder and effect modifier of the association between helmet use and cyclists' risk of death after a crash | Scientific Reports
![Amazon.com: JUST 1 J-GPR Solid Carbon Fiber Shell with PROTX2™ Technology On-Road Motorcycle Helmet (Gloss Black Trans Carbon, X-Small) : Automotive Amazon.com: JUST 1 J-GPR Solid Carbon Fiber Shell with PROTX2™ Technology On-Road Motorcycle Helmet (Gloss Black Trans Carbon, X-Small) : Automotive](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61zCz9rszNL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: JUST 1 J-GPR Solid Carbon Fiber Shell with PROTX2™ Technology On-Road Motorcycle Helmet (Gloss Black Trans Carbon, X-Small) : Automotive
![Vuxenmusik, bakljus med dag/natt, automatisk, blinkers, navigering, samtalsfunktion och SOS-system cykelhjälm, BH51 m antracit, 57–61 cm : Amazon.se: Sport & outdoor Vuxenmusik, bakljus med dag/natt, automatisk, blinkers, navigering, samtalsfunktion och SOS-system cykelhjälm, BH51 m antracit, 57–61 cm : Amazon.se: Sport & outdoor](https://m.media-amazon.com/images/I/81XjbYToReL._AC_UF1000,1000_QL80_.jpg)
Vuxenmusik, bakljus med dag/natt, automatisk, blinkers, navigering, samtalsfunktion och SOS-system cykelhjälm, BH51 m antracit, 57–61 cm : Amazon.se: Sport & outdoor
![Amazon.com : NHH Adult Bike Helmet - CPSC-Compliant Bicycle Cycling Helmet Lightweight Breathable and Adjustable Helmet for Men and Women Commuters and Road Cycling (Glossy Black-White) : Sports & Outdoors Amazon.com : NHH Adult Bike Helmet - CPSC-Compliant Bicycle Cycling Helmet Lightweight Breathable and Adjustable Helmet for Men and Women Commuters and Road Cycling (Glossy Black-White) : Sports & Outdoors](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71DgasQe+7L._AC_UF350,350_QL80_.jpg)
Amazon.com : NHH Adult Bike Helmet - CPSC-Compliant Bicycle Cycling Helmet Lightweight Breathable and Adjustable Helmet for Men and Women Commuters and Road Cycling (Glossy Black-White) : Sports & Outdoors
![Bradley Football on X: "That smile is what it's all about! Football is family. Keep working hard Grady! We can't wait to have you back. https://t.co/L8IVAGL7bg" / X Bradley Football on X: "That smile is what it's all about! Football is family. Keep working hard Grady! We can't wait to have you back. https://t.co/L8IVAGL7bg" / X](https://pbs.twimg.com/media/E96dXCWWQAInawF.jpg:large)