> Naturally occurring uranium has a very long half life. It's nothing to do with radiation, it's chemistry. Uranium compounds are nephrotoxic. https://www.ncb

> Naturally occurring uranium has a very long half life. It's nothing to do with radiation, it's chemistry. Uranium compounds are nephrotoxic. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5457699/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5457699/