Independent report

Shift working and breast cancer: IIAC position paper 30

A review of the risk of breast cancer in shift workers.


The association between shift working and breast cancer

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Although a causal association is not firmly established, collectively, the evidence suggests the possibility of a moderately elevated risk of breast cancer associated with prolonged (more than 20 years) night work.

After considering the evidence, the council concluded that there remains insufficient evidence to recommend any changes to the list of prescribed diseases for which people can claim Industrial Injuries Disablement Benefit.

Published 16 May 2013