http://www.reuters.com/article/2011/03/17/us-nuclear-usa-westcoast-idUSTRE72G7TQ20110317LOS ANGELES/VANCOUVER | Thu Mar 17, 2011 5:10pm EDT
Reuters) - North America is at little risk of receiving harmful levels of radiation from Japan's nuclear crisis, officials said on Thursday, but that has not stopped a scramble on the West Coast for items like potassium iodide and Geiger counters....
'NO NEED TO PROTECT YOURSELF'
Potassium iodide tablets can saturate the thyroid gland and prevent the absorption of radioactive iodine. When given before or shortly after exposure, that can reduce the risk of cancer in the long term.
Health officials warn potassium iodide can pose its own risks if misused.
"People should not take it anywhere in North America for the things that are happening in Japan," Donn Moyer of Washington state's Department of Health told Reuters....
More information follows.