Radon is something most humans try to avoid. But there are some people who claim that teeny tiny doses of radon can relieve chronic pain. There are also people who claim it can cure anything and everything. Those people are almost certainly wrong, but what about the first group? Well, given the difficulty in ethically administering a truly blind test of the effects of radon therapy, it’s difficult to say for sure. What we do know for sure is that it’s a weird, interesting thing that some people do and that it’s fun watching Tom Scott talk to those people.

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