Radiation from Smoke Detector?

No.13712532 ViewReplyOriginalReport
>Dad takes out smoke detector from ceiling to replace it
>Puts it on living room table
>Yell at him because he's basically using it as a plate eating and watching tv next to it
>Convince him to not keep it there
>Just found out he moved it to the floor of the pantry next to all of our food
>Keeps telling me he needs to save it in case he wants to use it for later
>about to throw it out myself
Am I overreacting?
I know the radioactive element in the detector isn't that powerful and I don't think he messed with the internals but I'm getting paranoid about him keeping it in the worst places.