Severe sleep apnea tied to cancer risk

Severe sleep apnea tied to cancer risk

Lack of oxygen from disrupted rest may be to blame

By Nathan Seppa, 14:45 PM May 18, 2012

Obstructive sleep apnea, a breathing disorder linked to heart disease and depression, may heighten the risk of cancer as well. A two-decade study shows that people with severe sleep apnea could be four times as likely to die of cancer as people without the condition.

“This is a kind of study that provides the opportunity to look at the long-range consequences of sleep apnea,” says Jonathan Samet, a pulmonary physician at the University of Southern California, who wasn’t part of the study te...

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