The BOLT test, a simple method to assess breathing efficiency, measures how long one can comfortably hold their breath, ...

Learn how to check your lung health at home with the simple BOLT Breathing Test. Know how it works, what your score means, ...

A normal oxygen level is between 95% and 100%, according to the Mayo Clinic. Baez said an X-ray shows his lungs are in great condition but he still gets a "hacking cough" when he moves around.

Giving patients high levels of oxygen during surgery is linked to a greater risk of subsequent kidney, heart and lung injury, according to a large U.S. study published Wednesday in The British ...

DECATUR, Ill. (WAND) — A simple common test to check oxygen levels in the blood may not be accurate when used on African Americans or those with darker skin. A pulse oximeter has been especially ...