I don’t know about those, but I think xshub would consider paying out of pocket for one of the heart scans. His mom died suddenly of a massive heart attack, and he’s convinced that’s how he will go.
It makes sense to keep track of something like you have, and it probably isn’t enough radiation to harm you, anyway. Most of the ones they advertise are a series of scans, just for the hell of it, so it seems like that would multiply the radiation for no real reason. Everything is a choice, but I would think there would be a disclaimer on those ads like there are on the ones for drugs, etc-but there is no such thing.