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Cardiovascular risks linked to sleep apnea are caused by a reduction in blood oxygen levels, according to a new National Institutes of Health-supported study.

Larry Magid: How to monitor oxygen levels while awake or sleeping. If you suspect you have a sleep disorder or any other medical condition, get your advice from a qualified medical professional.

Respiratory desaturation occurs when blood oxygen is lower than 95 percent. This can happen for many reasons, but it's especially common with sleep apnea.

Having obstructive sleep apnea, which can cut off oxygen supply during sleep, could be linked to an increased risk of developing cancer, dementia, and blood clots, according to three new studies.

Research funded by the National Institutes of Health suggests that people with obstructive sleep apnea might have an increased risk of cardiovascular events due to lower blood oxygen levels.

Sleep experts discuss mouth taping, a trend that encourages nasal breathing for better oxygen absorption and dental health, while warning about potential risks.

Sleep apnea is a breathing disorder that is common in people with diabetes and can make managing glucose levels more difficult.

Cardiovascular risks linked to sleep apnea are caused by a reduction in blood oxygen levels, according to a new National Institutes of Health-supported study.