AI Summary

A study published in the Proceedings of the National Academy of Sciences examined how cells repair genetic damage caused by low‑dose radiation. The research focused on cells from childhood cancer survivors, comparing their repair efficiency to that of non‑survivors. Findings suggest that more efficient DNA repair in these survivors may explain why some individuals develop cancer early in life or experience multiple cancers. The work was part of the ISIBELa collaborative project, which investigates intrinsic radiosensitivity and its long‑term biological and epidemiological effects.

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