Here is a free Deaths from Radon chart that you can give to your clients to help them decide if they want to test for radon:
Has this chart been modified since it was first presented to the membership?
A little. And researched to death and argued over ad nauseam. The purpose of the chart is to show that radon is deadly compared to most things people worry about it, and so they should test.
This chart actually works to upsell radon.
In reality, only among those who also smoke.
Vending machine accidents? How does that even happen…