Quote:
Originally Posted by zcar_dad
Don't know who you have been listening to but potassium is NOT a radioactive particle. Potassium Iodide (KI) is used to protect the thyroid from radioactive iodide if taken within a short period of time following exposure.
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Heres a link, scroll down to the section about food and you'll see in fact that potassium is a radionuclide...basically a radioactive element
Natural Radioactivity