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Saturday, Aug 17, 2019

Poor sleep makes you weak by changing your DNA, warns study

Sleep deprivation does more harm to the human body than one can imagine. According to a recent study, sleep deprivation can affect our genes and lead to the damage of our DNA. 

fitness Updated: Jan 25, 2019 17:41 IST
Asian-News International
Asian-News International
Washington DC
Researchers have linked sleep deprivation to DNA damage. (Shutterstock)
Researchers have linked sleep deprivation to DNA damage. (Shutterstock)
         

The way people’s genes work is changed when their body clock is disrupted. A study has revealed that sleep deprivation does more harm to the human body, than imagined. According to it, sleep deprivation can affect our genes and lead to the damage of our DNA. In the observational study on 49 healthy full-time doctors who had their blood analysed at different time points and on-call doctors who were required to work overnight on-site were found to have lower DNA repair gene expression and more DNA breaks than participants who did not work overnight.

In these overnight on-site call doctors, DNA repair gene expression decreased and DNA breaks increased after sleep deprivation. Damaged DNA increased after only one night of sleep deprivation.  According to the researchers, this damage may help explain the increased risk for cancer and cardiovascular, metabolic diseases as well as neurodegenerative disorders that are usually associated with sleep deprivation. “Although this work is very preliminary, it is clear from the results that even a single night of sleep deprivation can trigger events that may contribute to the development of chronic disease,” said Siu-Wai Choi, lead researcher of the study.

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First Published: Jan 25, 2019 17:41 IST

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