Anti-Radiation Pills
Source: Indian Express
GS II: Policies and Developmental Studies
What is discussed under Anti-Radiation Pills?
- What are anti-radiation pills?
- How do anti-radiation pills protect the thyroid?
- Limits of anti-radiation pill use
- What is a radiation emergency?
Why in News?
- As worries of a nuclear accident at Ukraine’s Zaporizhzhia power plant rise, the European Union has made the decision to provide 5.5 million anti-radiation tablets as a preventative measure to be given out to locals.
- People who are receiving the tablets are being instructed to wait until a radioactive leak has been verified before taking them.
What Are Anti-Radiation Pills?
- In situations of radiation exposure, potassium iodide (KI) tablets, also known as anti-radiation pills, are believed to offer some protection.
- They include non-radioactive iodine and can aid in preventing the thyroid gland from absorbing radioactive iodine and concentrating it there.
- Radioactive iodine
- Radioactive iodine may be discharged into the environment during radiation emergencies, which are often nuclear power plant accidents.
- It may then enter the body by inhalation or ingestion.
- This is called internal contamination.
- Many years after exposure, thyroid cancer risk can increase in newborns, kids, and young adults when the thyroid absorbs high doses of radioactive iodine.
How do anti-radiation pills protect the thyroid?
- Both KI and radioactive iodine are forms of iodine.
- The thyroid absorbs both of them in.
- A person must consume KI before or soon after exposure to radioactive iodine for it to be effective.
- The thyroid can be prevented from absorbing radioactive iodine when the appropriate dose and timing of KI are used.
- This occurs because the thyroid cannot absorb radioactive iodine because it has already filled with KI.
Limits of anti-radiation pill use
- Only radioactive iodine is protected against by KI; other forms of radiation are not protected.
- KI only safeguards the thyroid; other body parts are not covered by KI.
- To be most effective, KI must be taken within 24 hours before or four hours after exposure.
- KI is not a remedy and cannot repair thyroid damage that has already occurred.
- A person may not be completely protected against radioactive iodine by KI.
- They are recommended for people under 40 years of age.
What Is a Radiation Emergency?
- These are accidental incidents that pose a radiological risk to both people and the environment.
- Such circumstances entail exposure to radiation from a radioactive source and the need for quick action to lessen the danger.
- Anti-radiation pills are also needed to handle such a situation.
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