If that were true, we'd all be immune to neutron radiation. It's just there's a lot of stuff between cosmic neutrons and us, and that's where carbon-14 comes fr

If that were true, we'd all be immune to neutron radiation. It's just there's a lot of stuff between cosmic neutrons and us, and that's where carbon-14 comes from. It's not perfect but at least we're not walking balls of cancer.