Many people think that snoring is just a normal part of sleep. But for some, it can be a sign of a serious and often ignored ...

A patient with Poland syndrome presents with acute pericarditis, underscoring diagnostic hurdles in chest pain due to ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Scientists have uncovered a surprising reason why some chronic wounds refuse to heal, even when treated with antibiotics. A ...

Near-death experiences, often reported after cardiac arrest or trauma, remain unexplained despite decades of research into ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their ...

“Patients with pulmonary edema generally describe breathlessness. Sometimes they feel like they are suffocating or breathing ...