natural potassium

Is Potassium-40 Dangerous? hazard. The strong gamma radiation associated with the electron-capture decay process (which occurs 11% of the time) makes external exposure to this isotope a concern. While in the body, potassium-40 poses a health hazard from both the beta particles Where can potassium-40 be found? Potassium 40 is a radioisotope that can be