In 2010, there were 3.5 total recordable cases of non-fatal occupational injury and illness per 100 full-time workers, down from 5.0 less than a decade ago.

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After all, night workers sacrifice their own health to keep our 24-7 society running safely, facing increased risks of cancer, hypertension, heart disease, hormonal disruption, obesity, diabetes, depression and occupational injury due to sleep deficiency and chronic occupational jet lag.

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The Scotsman newspaper reported that Scottish fishermen who were introduced to Tai Chi by an occupational nurse had fewer back problems and lost fewer days to sickness or injury.

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