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Nightshift = bad for you

The latest findings on the impact on night shifts (the duty, not the 1984 album by the Commodores) on people's metabolism, was published in the Proceedings of the National Academy of Sciences. It shows a clear link between work-sleep cycles, metabolic disregulation and disease.

People who participated in the test produced less leptin, a hormone that signals a body to stop eating by triggering feelings of satiety. Blood glucose and insulin levels rose, both of which are linked to diabetes. Levels of the stress hormone cortisol also shot up, as did the blood pressure of the test subjects. 

Even a brief misalignment caused quite impressive changes, the research shows.

You can read more on the study here.