[mitthrowaway2]

If not sugar, then other causes should be taxed if the evidence supports that such taxes would have an impact. I'm not a policy expert myself.

The best public investment to promote physical activity is designing cities to enable "the gym of life"!

https://youtu.be/KPUlgSRn6e0?si=GDmrYq-XQtn9SaKx

[rafaelmn]

Fair enough, guess my problem would be that since these things would be implemented by politicians it would end up being driven by fads/popular opinion, and without strong evidence (of which there's very little) you'd essentially be conducting population level experiments even if you wanted to be scientific (eg. food pyramid to the extreme)