title: I read recently that sleep apnea can raise the risk of stroke.  I knew it affected blood pressure, but what is this stroke risk, and is there still a high risk even if you're using a CPAP machine?  I'm especially concerned because my father had a stroke when he was just 67 and I'm 61 now.
mesh_terms: D000368:Aged; D045422:Continuous Positive Airway Pressure / Q000009:adverse effects*; D006801:Humans; D008875:Middle Aged; D020181:Sleep Apnea, Obstructive / Q000150:complications* / Q000628:therapy*; D020521:Stroke / Q000209:etiology* / Q000517:prevention & control*