For a potentially serious medical condition, it’s remarkable how few people know they have obstructive sleep apnea (OSA).
OSA, in which a person’s upper airway collapses, causing irregular breathing, is the most common sleep-related breathing condition. One study estimated well over 900 million adults between 30 and 69 years old may have it worldwide, though as many as four in five moderate-to-severe cases are undiagnosed. Left untreated, it can increase the risk of high blood pressure, cardiovascular disease, hearth attack, stroke, and type 2 diabetes, and yet untreated is what most cases —
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