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Are isotopes safe to be used in human studies?

April 26, 2017Human isotopes safe Used

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Are isotopes safe to be used in human studies?

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Stable isotopes exist in nature (in everything we drink, eat or breath) but they can be used as tracers if they are given to a human to increase the level in the body by small amounts above the natural abundance level, at no risk to the subject. Radioactive isotopes are also sometimes used in research but the levels at which they can be used in human being are subjected to safety regulation.