The health effects of the Fukushima nuclear accident and the use of potassium iodide continue to spread fear in the public because of how the information is used. At the best, it appears that reassuring the public is inadequate and what we hear from the media confuses and aggravates the situation in what is supposed to be a well-informed choice of the people.
Earlier, I have posted the proper use of potassium iodide to reduce the load of radioactive particles among those who were contaminated by it—the nuclear workers, and not you who is thousands of kilometers away. Visit this link for details.