In breast cancer, a biopsy is the only diagnostic procedure that can determine if a suspicious lump or area is cancerous. However, in the U.S., between 75% and 80% of breast biopsies are benign.

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 ...

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 ...

Akshaye Khanna faced a sudden health scare in Ladakh when his oxygen levels dropped on the set of Dhurandhar. Here's what happened and how the team responded. Bollywood actor Akshaye Khanna sent a ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

Researchers in the U.S. have found that exposure to low oxygen levels — known as hypoxia — early in life can cause pulmonary hypertension (PH) by permanently altering lung blood vessel development.

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...

Your lungs start burning after 30 seconds underwater. Most people tap out before hitting two minutes. Yet Croatian freediver Vitomir Maričić just held his breath for 29 minutes and 3 seconds on June ...