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 ...

Constant exhaustion is often dismissed as lifestyle-related, but experts warn it may signal vitamin B12 deficiency. This ...

Reduced blood flow to the brain is thought to be a key factor in many forms of dementia, including Alzheimer's, and ...

Modern work routines often mean missed nutrition. Here's how five essential nutrients help sustain energy and mental clarity ...

This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

Ozone that protects us from the sun's harmful UV rays, when in an indoor space, reacts with oils present on skin, wall paint, ...

If you’re waking up tired even after seven or eight hours of sleep, your heart rate may be falling too far during the night.

From cold-induced blood pressure spikes to clot risks, a doctor reveals why winter stresses the heart and how vulnerable ...

Prevention is key, and adopting a regimen of no smoking, minimal alcohol, a healthy, reduced-salt diet, low stress levels and ...