Imagine needing a machine to breathe — a lifeline that allows you to enjoy the simple pleasures of life, like taking a walk or traveling. For many of us, including me, this is a daily reality.

FORT LIBERTY, NC – The U.S. Army Medical Test and Evaluation Activity (USAMTEAC) carried out an Operational Test (OT) of a new version of the medical oxygen concentrator (MOC) at Fort Liberty, NC.

A pulse oximeter measures your blood oxygen levels and pulse. A low level of oxygen saturation may occur if you have certain health conditions. Your skin tone may also affect your reading.

You might have started hearing a lot about tubing mascaras recently, or maybe you have seen them cropping up during your beauty browsing IRL and URL. If you don't know exactly what that means ...