Normal human cells need just the right amount of oxygen — not too much nor too little — to survive and stay healthy. This critical balance is regulated by an intricate oxygen-sensing process in the ...

PORTLAND, Ore. — KGW wanted to address several claims going around stating that wearing a mask lowers your oxygen levels. Viewer Linda W. emailed, asking, “I keep hearing that a person’s O2 stats ...

Oxygen therapy can help people with certain health conditions, such as emphysema, sleep apnea, or severe COVID-19, get enough oxygen to stay well and function. Oxygen therapy may be a temporary ...

Oxygen therapy, or supplemental oxygen, can help people get enough oxygen if they can’t get it on their own. It can include oxygen in liquid or gas forms, among other types. Oxygen, a gas found in the ...