Despite the computerization and robotization of production, there are still many professions which involve operating on a rolling basis. However, the associated inevitable disruption of internal biological clocks is bad for the brain.

The need for regular adaptation to the new work schedule in people who have to work in the first, then second, then third shift, eventually quickly causes disturbance of circadian rhythms, which is extremely negative impact on many systems of the body.

It has been proved that work on a rolling basis can increase the risk of obesity, diabetes of the 2nd type and even certain forms of cancer.

And Swedish researchers first discovered that such a schedule is associated with marked deterioration of cognitive functions, even in relatively young people who are forced to work on a rolling basis, there are changes in the intellect, is characteristic of old age.

Scientists from two universities in Sweden – cities in Uppsala and malmö (Malmö University and Uppsala University) have tested cognitive functions in 7 000 citizens of this country are about the same age.

About half of the participants at the time of study or previously have been busy at work with a rotating schedule.

All subjects performed the tasks of a standard test for hand-eye coordination (Trail Making Test). During testing they had as quickly as possible to connect the line in reverse order randomly scattered on the display, the circles numbered 1 through 25, and build in descending order of numbers and letters.

Scientists discovered that the subjects who worked in shifts at the time of the test or broke up with this one in less than 5 years prior to the experiment, the test results were mostly such as people much older.

And the best results showed those participants who never worked shifts, or those who quit a job with a rotating schedule of more than 5 years before the experiment.

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