To ensure that potassium iodide will be available in the event of an incident at a nuclear power plant that causes the release ... Potassium iodide can prevent thyroid cancer caused by exposure to the radioactive iodine that could be released in such an ... This book makes recommendations for the safest and most effective way to administer potassium iodide tablets on a mass scale in ... The report says that potassium iodide pills should be available to everyone age 40 or younger-especially children and pregnant ...