A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s often triggered by lung or heart conditions like COPD, asthma, or heart ...

Researchers have found evidence that low oxygen levels in tumors could actually enhance some of the body's immune responses against cancer, in contrast with the general paradigm that hypoxia ...

Liz covers cardiovascular and metabolic disease, asking why we’re not doing better or even losing ground against the world’s leading killer. Send tips on Signal at LizC.22. Oxygen is the breath of ...

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 ...

Friedreich's ataxia is a rare, inherited disease that causes progressive nervous system damage, impairing balance and coordination and leaving patients unable to walk by early adulthood. "If we accept ...

Researchers at Karolinska Institutet have discovered how cells can adjust their gene activity to survive when oxygen runs low. The study, published in Nature Cell Biology, reveals that cells use a ...

In the complex landscape of cancer, tumors create their own microenvironment, often marked by low oxygen levels, a condition known as hypoxia. Hypoxia arises as tumors grow rapidly, outpacing their ...