Vital signs, those fluorescent green numbers that beep, ding, and dash across black screens on the monitors in hospital rooms, have become a new source of angst during the coronavirus pandemic. One of ...

A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s ...

Researchers Jeff Crooks and Stephany Garcia checked the minnow traps left at the murky mouth of the Tijuana River on a sunny October morning. They didn’t expect any catches. They haven’t had any for ...

Share on Pinterest Lower oxygen levels may be beneficial to the lungs and overall health. Yaroslav Danylchenko/Stocksy Researchers are reporting that an environment with lower oxygen levels helped ...

Low iron levels, or iron deficiency, may cause a variety of symptoms or signs, such as fatigue, paleness, headache, dizziness ...