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

Scientists have revealed that low-frequency ultrasound influences blood parameters. The findings suggest that ultrasound's effect on haemoglobin can improve oxygen's transfer from the lungs to bodily ...

When the body lacks iron, it can impact haemoglobin levels. And when you have low haemoglobin, it affects your health ...

LONDON (Reuters) - A team of British doctors conducting experiments in the "Death Zone" of Mount Everest has recorded the lowest levels of blood oxygen in humans, far below those of critically ill ...

NEW YORK (Reuters Health) - Hypoxia, or reduced oxygen levels, in prostate tumors significantly predicts a poor long-term biochemical outcome, regardless of other prognostic factors, such as tumor ...

Two out of 10 people who receive cardiac surgery are affected by acute kidney injury, prolonging their hospital stay and increasing their risk for chronic kidney disease, cognitive decline and heart ...

Hemoglobin helps red blood cells carry oxygen to your muscles and tissues. Abnormal hemoglobin levels can be a sign of several health problems. Hemoglobin is a component of your blood that delivers ...

Gray seals may possess a secret sense that helps them survive at sea. The marine mammals adjusted their time spent underwater based on the amount of oxygen in the air they breathed before diving, ...

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 ...