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Does phototherapy cause cancer?

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A recent update of the UK National Institute for Health and Care Excellence (NICE) guideline on neonatal jaundice (CG 98.1) will probably result in more well term babies being assessed and treated. Phototherapy is assumed to be a safe and effective treatment, but there have been worrying hints in the literature that the blue light wavelengths used might cause measurable DNA damage. So looking for a link between phototherapy and cancer seems important.

Pediatrics has published two papers by the same authors from California, which on the face of it seem to give opposing answers to this question. The first, the CLIPS study, …

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  • Competing interests None.

  • Provenance and peer review Commissioned; internally peer reviewed.