A new Nature Communications study has tracked these lulls in cassiopea jellyfish, which belong to a 500 million year-old ...

Nitric oxide doesn’t get the hype of collagen or NAD+, but it plays a central role in blood flow, energy, and how well the ...

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

Sleep apnoea is a disorder where your breathing stops and starts while you sleep with serious health implications - but how ...

High blood pressure and body mass index, or BMI, may be directly linked to the increased risk of developing vascular dementia ...

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

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

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 ...

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

Invisible fatigue in women is a common but often overlooked condition characterized by persistent tiredness, mental fog, and low energy. Key causes include anemia, chronic stress, and hormonal ...