A radioactive iodine uptake (RAIU) tests the function of your thyroid gland, which helps regulate your metabolism. It works by measuring how much radioactive iodine is absorbed by the thyroid gland, ...

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Radioactive iodine (RAI) therapy is a type of treatment for an overactive thyroid, hyperthyroidism, and certain types of thyroid cancer. The term "radioactive" may sound scary, but it is a safe and ...

The U.S. has embarked on the largest and most expensive nuclear build-out ever. The U.S. military says it is necessary to replace an aging nuclear arsenal. But critics fear the risks. This article is ...

Our planet is home to many radioactive substances—not just in its geologic innards or its weapons caches but also in its hospitals, at its industrial sites and in its food processing plants. In ...

Naturally occurring radioactive elements are substances whose atomic nuclei are unstable. To become stable, these nuclei spontaneously break down, or decay, by releasing energy in the form of ...

BOSTON (WHDH) - Radioactive material is getting lost in Massachusetts and it’s ending up where you least expect it. Now, some are worried it could end up in the wrong hands. 7’s Dave Puglisi ...