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> Like the thyroid risk and iodine for kids: you dont want to have to but you know you can.

I'm not familiar with these. Can you explain?




I was actually thinking Chernobyl, and selective uptake of radioactive iodine. Deposited on grass, eaten by cows, milk drunk by children. If you give people iodine pills, the body rejects surplus dietary iodine (homeostasis?) and so the risk is reduced.




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