[greggman2]

Isn't the answer "Denver"? The city has a higher radiation dosage than average yet no more medical issues. Or at least that's something I heard once. A quick google brought up this site (which I have no idea who is sponcering)

https://atomicinsights.com/science-falsified-no-safe-dose-hy...

Also

https://www.google.com/search?q=denver+radiation

[godelski]

Yes, and an even better example is Ramsar Iran.