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… (fainting). It's caused by low blood pressure when heat causes the blood vessels to expand (dilate). Then body … (fainting). It's caused by low blood pressure when heat causes the blood vessels to expand (dilate). Then body …
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… Sleep Apnea What Happens Obstructive sleep apnea causes your airway to narrow or close off, reducing or … a valve that makes it harder for you to breathe out. This causes a little back-pressure in the airways that may help … Sleep Apnea What Happens Obstructive sleep apnea causes your airway to narrow or close off, reducing or …
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Health topics
… and congestive heart failure are some of the leading causes of mortality and hospitalization in Canada. These …
Medical tests
Medical tests
… increase the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, … increase the amount of catecholamines in the blood. This causes high blood pressure, excessive sweating, headaches, …