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

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 ...

Scientists accidentally discovered how an old blood pressure drug hydralazine could fight aggressive brain cancer by ...

Cyanotic heart disease refers to a group of heart problems that occur at birth. The condition can cause abnormally low oxygen levels in the blood and lead to a bluish skin color. Congenital heart ...

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 ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

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 ...

A Penn-led team has revealed how hydralazine, one of the world's oldest blood pressure drugs and a mainstay treatment for ...

Reducing oxygen levels in critically ill children on mechanical ventilators in intensive care could save tens of young lives each year, finds a new study led by researchers at UCL and Great Ormond ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

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 ...