When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Minorities get less supplemental oxygen in the ICU, in large part due to poorer performance of pulse oximeters, a study showed. That averaged out to approximately 0.2 to 0.3 L/min less oxygen for ...

Alena is a professional writer, editor and manager with a lifelong passion for helping others live well. She is also a registered yoga teacher (RYT-200) and a functional medicine certified health ...

Robin has worked as a credit cards, editor and spokesperson for over a decade. Prior to Forbes Advisor, she also covered credit cards and related content for other national web publications including ...