Cancer linked to snoring


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Cancer linked to snoring and sleep apnea

and an increased rik of diabetes, heart attack and stroke.

During the last years we have learned that there are a series of serious health issues linked to snoring. Now we hear that sleeping disorders like Sleep Apnea are linked with Cancer.

In 2012 the University of Wisconsin School of Medicine and Public Health, released a study which shows that people with Sleep Apnea appear to develop a significant increased risk of cancer mortality.

Over the years tudies linked Sleep Disordered Breathing (SDB) problems to hypertension, cardiovascular disease, depression, and early death, however this is the very first to link it to cancer.

The findings are based on detailed data obtained from repetitive sleep studies performed on 1,522 patients over 22 years. In addition, extensive laboratory tests on mice, showed regular oxygen starvation, due to snoring, actually promoted cancerous tumor growth.

The Department of Population Health Sciences located within the University of Wisconsin School of Medicine and Public Health made the following comments by the words of Dr.Nieto:

“This is the first study showing a link between Sleep Disordered Breathing (SDB) , snoring and sleep apnea and an elevated risk of cancer mortality in a population-based sample,”


“If the relationship between SDB and cancer mortality is validated in further studies, the diagnosis and treatment of SDB in patients with cancer might be indicated to prolong survival,” added Nieto.


This detailed and lengthy study was discussed at the American Thoracic Society, 2012 international conference held in San Francisco.

Also mild snorers were mentioned. They seem to have a small risk of dying from cancer. This risk is actually doubled for the moderate snorers and then increased significantly to almost five times, in case of those people who suffered from severe snoring like those experiencing Sleep Apnea [OSA].

Previous research had shown that people suffering from sleep apnea have a noticeable increased risk of diabetes, heart attack, plus stroke. Devastatingly, the recent study found those people who suffer with sleep apnea are amazingly up to and including five times more likely to actually die from cancer, than those who do not have OSA.


“This is just another bit of evidence that says not breathing is bad for your health,” said Dr. Eric Hernandez, who explained that the negative health effects are caused by oxygen levels in the blood.


It is well known that people suffering from sleep apnea indeed stop breathing at multiple intervals throughout the night, and sometimes for many seconds and even minutes at a time. When this happens, blood vessels can begin to develop into tissues acutely suffering from a loss of oxygen which is needed to combat disease.

“If your oxygen drops, it means more blood vessels grow and if blood vessels grow into tumors, tumors grow faster,” explained Hernandez.


Dr Nieto’s study was supported by the National Institutes of Health’s the National Heart, Lung, and Blood Institute (NHLBI), the National Institute on Aging, and the former National Center for Research Resources.


Dr. Susan B. Shurin, acting director of the National Heart, Lung and Blood Institute commented on her interest in the findings:


“These findings about snoring and sleep apnea provide clues to help further our understanding of the relationship between sleep and health … It will be important to understand the relationship and mechanisms, if the association is confirmed.”


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