Scientists have named a new danger of disruption of circadian rhythms

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Disruption of circadian rhythms, which set the rhythm for all biological rhythms body, plays a role in weight gain. Researchers at Weill Cornell Medicine conducted two studies in which they found that stress at the wrong time of day can alter metabolism. And this will lead to an increase in the accumulation of fat in the body.

Scientists shared their findings on the website of the educational institution. One study found that stress caused by chronic administration of glucocorticoid stress hormones and disruption of the normal daily cycle of release triggered a temporary defense mechanism in mice. As a result, the growth of fat cells and insulin production increased in the rodents.

“If the animals are stressed at the wrong time, it has a dramatic effect,” says the study's senior author, Dr. Mary Teruel. “The mice don't eat differently, but they have a big shift in metabolism that causes weight gain.”

According to the second study, fat cell precursors turn into such cells only during a certain phase of the circadian cycle. It corresponds to the evening at people's. Scientists note that it is important to learn to synchronize the cellular and circadian clock of the body. “Many work against a healthy metabolism and can contribute to weight gain when the circadian rhythm is disrupted,” adds Dr. Teruel.