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

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. Oxygen is the breath of life, right? Because it ...

SPIRIT LAKE, Iowa (KTIV) - Folks on Big Spirit Lake have been observing strange behavior in the fish there for the past few weeks because of low oxygen levels in the water. While this may sound like ...

A recent study explored one possible cause -- hyperoxia or high concentrations of oxygen given to such patients during surgery -- as opposed to doses more similar to air. The study concluded that ...

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 ...

MIDDLETOWN — Investigators have found a lack of oxygen in another manhole near Air Products & Chemicals, but are unsure how the nitrogen is traveling underground. Les Landen, Middletown law director, ...

AUSTIN (KXAN) — KXAN viewers reached out to us last week asking about a large number of dead fish they saw in a pond near Airport and Mueller boulevards. We reached out to the city of Austin on Aug. 8 ...

Researchers at Karolinska Institutet have discovered how cells can adjust their gene activity to survive when oxygen runs low ...