Irregular Sleeping Patterns lead to Extra Weight and Cancer

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Chubby Cutie

Scribe: Samuel Otis



Irregular sleeping patterns are bad for your health.  Researchers suggested women with a family history of breast cancer should never work shifts. 

The report published in Current Biology, indicated mice were 20% heavier despite eating the same amount of food.  Previous studies in people have suggested a greater risk of diseases such as breast cancer in shift workers and flight attendants.

The collective of studies argue disrupting the body’s internal rhythm – or body clock – increases the risk of disease. 

Other variables likely to be present in the development cancer include social class, activity levels and the amount of vitamin D ingested. 

In the most recent study, mice prone to developing breast cancer had their body clock delayed by 12 hours every week for a year.  Normally they had tumors after 50 weeks – but with regular disruption to their sleeping patterns, the tumors appeared eight weeks earlier. 

The report said, “This is the first study that unequivocally shows a link between chronic light-dark inversions and breast cancer development.”

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