M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while ...

Learn practical strategies for managing fatigue, one of the most ubiquitous and frustrating symptoms of chronic illness.

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 ...

The parents of 4-year-old Ellie are mourning their loss and speaking about their daughter’s life after she passed away due to ...

When fire breaks out in the low-gravity, high-stakes conditions inside spacecraft or space stations, it behaves very ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

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

(THE CONVERSATION) Climate change is already fueling dangerous heat waves, raising sea levels and transforming the oceans. Even if countries meet their pledges to reduce the greenhouse gas emissions ...

Your body is constantly sending signals, yet many of us dismiss the subtle warnings that something might be off. Vitamin B12 ...

IOWA, USA — Influenza activity surged to very high levels across Iowa during the week ending Dec. 27, according to new state data, as respiratory illness drove nearly one-quarter of emergency ...