Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...
Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.
A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...
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Can living at high altitude improve health? Scientists explore how low oxygen affects the body
Living at high altitude exposes the body to a very different environment compared to sea level. The most noticeable difference is the reduced availability of oxygen, a condition known as hypoxia.
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