I deal with exhausted patients every day, and many misunderstand the cause of their own tiredness. Here are the cases you ...

Ninety per cent of asthma sufferers experience tightening of the airways in response to exercise, the charity Asthma and Lung ...

Oxygen isn't always a good thing. Of course, people-and most organisms-cannot live without it. But oxygen can also be quite ...

Telegraph Sport takes on simulation of daunting Azteca conditions; plus, what the science says Thomas Tuchel’s side must do ...

She also had a history of hip problems. Twenty years before, she had a hip replacement that stemmed from an injury she ...

Gene editing has delivered remarkable results against sickle cell disease. Now researchers are working to make these ...

Imagine a world where oxygen levels are doubled! This dramatic change would ignite intense fires that would be harder to manage, as oxygen fuels combustion. Our bodies could struggle with the excess ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? For millennia, thick, healthy hair has symbolized both masculine virility and ...

The gaming world has been absolutely obsessed since the initial trailer for Grand Theft Auto 6 dropped over a year and a half ago. Industry analysts have pondered price points, publishers have gone ...

Are you getting enough vitamin B12? Even if you’re taking supplements, a recent study found that the “normal” guidelines may still be leaving you deficient in this key nutrient. A new study from the ...

If you’ve ever had a medical team investigating cardiac issues, you’ve probably had a bunch of electrodes stuck all over your chest and been hooked up to an electrocardiogram. This is the gold ...

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 ...