First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of ...

Blood platelet aggregation with epinephrine (a) and low-frequency ultrasound (b) in vitro. In (b), two samples are sonicated with ultrasound at 60 W electric power (pink, red) and two samples are ...

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 ...

Vital signs measure the body’s most essential functions. They include heart rate, body temperature, respiratory rate, blood pressure, and oxygen saturation. Healthcare professionals use vital signs to ...

Smartwatches can measure everything from heart rate to sleep quality, but one health metric has become particularly relevant over the past two years: blood oxygen saturation. Two of the world's ...