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Joined 3 years ago
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Cake day: June 22nd, 2023

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  • Ovoid shapes will cause rotational forces on perpendicular impacts, whilst spherical shapes do not. This is just Maths.

    Notice how motorcycle helmets are actually spherical.

    In my experience the traditional bicycle helmets are half ovoids.

    Bruh, it’s not that deep. Statistics show that wearing a helmet reduces chances to severe head and brain injuries.

    As for mandatory cycling helmets, I’m against it

    I don’t care since I am not discussing helmet mandates.

    As for the rest, obviously it’s better to prevent accidents in the first place and obviously we need to reduce the number of cars on our streets for multiple reasons. But that’s all policy while wearing a helmet is a cheap and easy way to protect yourself against unavoidable accidents and avoidable accidents while waiting and advocating for policy change.


  • Well, first, you did try to make points about brain injuries caused by wearing helmets. Now you claim you never argued about that, so what is it?
    Second, it is IMHO not quite intelligent to make an argument about head protection not protectng other body parts. That’s like saying a stab protection vest is useless because you can get shot in the head.
    Third, the first article I linked talks about a systematic comparative analysis of 23 studies examining risk homeostasis hypothesis, of which 18 could not confirm the hypothesis, three showing inconclusive results and only two being arguments for the hypothesis, the analysis concluding there is little to no evidence for bicycle helmets leading to riskier behavior.

    I know the studies about mandatory helmet rules (something I actually never talked about), I find people’s behavior in this case utterly incomprehensible and stupid, but again, it’s not something I argued for. It just shows me we need to encourage helmet use in different ways. Mandatory for children maybe so that they get used to it, normalizing and encouraging wearing helmets by advertisements etc. IDK, but such efforts can be quite successful if funded and supportes sufficiently.


  • I would really like to see that study. Because I have studies showing the opposite.

    Here is an article (in German, sorry) summarizing and contextualising several studies. One showed that wearing a helmet resulted in car drivers keeping five centimetres less distance when overtaking the cyclist, but that study’s method was flawed and a study conducted in Berlin with better equipment and better method (bigger sample size, different routes, women being actually test subjects and not just represented by a guy with a wig, etc) that showed helmet wearing bicyclists being overtaken with more distance.

    Here (again German, sorry) is a research report comparing 543 accidents with injured bicyclists in University Hospitals of Munich and Münster and 117 accudent fatality from a database. From the 117 fatalities, 50% died of traumatic brain injury and six wore a helmet. Furthermore, from those injured (not the 117 fatalities) and with traumatic brain injury, none wore helmets.

    Here (this time in english) is a meta analysis of studies about the safety of wearing helmets when cycling, concluding the discussed studies show a benefit for safety when wearing a helmet while cycling (too much for.me to summarize).