Idk about the nuclear testing putting "radioactive iodine" in the atmosphere, but as for the addition of iodine to salt, that's not the origin. It was added to

Idk about the nuclear testing putting "radioactive iodine" in the atmosphere, but as for the addition of iodine to salt, that's not the origin. It was added to prevent health issues from iodine deficiency, such as goiters. In fact the invention of iodized salt predates the invention of the atomic bomb by several decades. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3509517/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3509517/