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France bans iPhone 12 after finding radiation levels are too high
(www.techspot.com)
This is a most excellent place for technology news and articles.
Probably not, but you could look into any recalls / software updates.
I haven't read the specifics, but I think if you store it in a bag or something and don't leave it in contact with your body too long, you should be fine. If it was more serious, there would be more of an announcement