So my toot about helmet laws increasing heart disease has got a few replies by people wondering wtf. The way it works is that mandatory helmet laws reduce cycling, fewer people cycling results in an increase in obesity related illnesses like heart disease and diabetes.

One of, if not rhe best, things that a government can do to improve health at a population level is increasing active travel (walking and cycling).

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https://theconversation.com/ditching-bike-helmets-laws-better-for-health-42

Ditching bike helmets laws better for health

With epidemics of diabetes and obesity threatening to bankrupt state health budgets, governments need to broaden their strategies to encourage physical activity. Allowing cyclists to ride without a helmet…

The Conversation

Anything a government does that reduces active travel will have society wide impact on health. Mandatory helmet laws where governments have been stupid enough to try them have seen a massive drop in people cycling, and the corresponding drop in society wide health.

If a government really cared about the safety of cyclists they would roll out nation wide segregated cycle infrastructure (or just ban cars, both work). The more people cycling, the better it is for society, and for the economy.
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If you'd like to read more on this, I highly recommend the book "The miracle pill" by Peter Walker. It sets out clearly the arguments for promoting active travel, as well as simple changes we can make to the built environment to help us all become healthier.
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