[It's fiiiine, he's already done some radioactive kitten scans. Besides, he's more radioactive than the kitten anyway.

Which is. Fine.]

Nah, they're not like, instant death. What happens is they uh... The clouds change shape. They turn into stuff, and it seems to be different for everyone who comes in contact with them. So far the only consistent uh, I guess theme is that they always turn into something like, dangerous or- or something meant to scare the crap out of you. As for what you should do, just run. They won't follow you into the light.