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 ...

Feb 20 (Reuters) - (Health Rounds is published on Tuesdays and Thursdays. Think your friend or colleague should know about us? Forward this newsletter to them. They can also subscribe here.) Diabetes ...

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 ...

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 ...

Coral reef research has focused on the twin evils birthed by record-high greenhouse gas emissions: warming oceans and increasingly acidic seawater. These global threats are caused by seawater ...

Schematic of how individual red blood cells (RBCs) carry oxygen through capillaries to oxygenate tissues. The team found that RBCs can regulate how much oxygen is released in tissues, wherein ...

Oxygen is critical to life. When levels of oxygen change, it can have immediate and lasting impacts on a person's health. Tatum Simonson, Ph.D., associate professor of medicine and John B. West ...

Dozens of fish were found dead in Silver Lake as a result of oxygen deprivation. The Wisconsin Department of Natural Resources is investigating the cause of the low oxygen levels. Silver Lake has a ...