A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it ...
Health on MSN
How to Read Your Blood Pressure Numbers Correctly
Your systolic blood pressure and diastolic blood pressure describe the pressure on your arteries at different points in your heart beat.
There isn't a set range that is healthy for everyone, but a normal heart rate is usually between 60 to 100 beats per minute.
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