Referring to evidence presented to the health and safety committee for the sector, the unions highlight the increased risks faced by those working 12 hour shifts compared to workers on eight hour shifts. The evidence shows greater risks of musculo-skeletal disorders and other health complaints, including high blood pressure and diabetes. There is also the increased of accidents with those working 12.5 hour shifts or longer three times more likely to make mistakes than those on 8.5 hour shifts.

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