You can’t avoid radon particles or cosmic rays unless you live in a lead box at the bottom of the ocean. And even if you were to move to a desert island, the fish you’d have to eat would likely contain mercury, PCBs, PBDEs, dioxins, and chlorinated pesticides, all of which can damage your DNA.64 In our modern world, even with the most “natural” lifestyle you can follow, this sort of DNA damage is inevitable.