Category Archives: shift work

How Shift Work Disrupts Metabolism

This time it’s personal. A hundred years ago, it seems (actually it was 1977), I worked for Reuters News Service. I had the good fortune, I thought, of being sent to London to experience the international news desk. That turned out to be a wonderful educational as well as professional experience. However, part of my deal was that since I was the Yank who was only there for a year, they used me to fill every staffing vacancy that came up. As a result I often worked two or three different shifts in a week. I have to tell you that I have never felt so discombobulated in my life. I would wake up and not know if it was morning or night. All my body rhythms got fried. So, I really related to the following study.

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Researchers report metabolic disruptions often seen in shift workers are not influenced by the brain’s circadian rhythm, but by peripheral oscillators in the liver, gut and pancreas. Source: Washington State University.

Working night shifts or other nonstandard work schedules increases your risk of becoming obese and developing diabetes and other metabolic disorders, which ultimately also raises your risk of heart disease, stroke and cancer.

Exactly why this happens has been unclear, but a new study conducted at Washington State University (WSU) has brought scientists closer to finding the answer. Continue reading

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