Radioactive decay is one of those processes that seems narrow until you see how many fields depend on it. This review looks at how decaying radioisotopes are used across science and medicine, with a focus on targeted nuclear medicine and cancer treatment. We start with the basics, the different types of decay and how half- life governs the way radioactivity fades, and then trace its uses in energy, industry, space science, and materials testing. The care of the paper is medical.
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jahan et al. (2026) studied this question.
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