As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

Oxygen therapy can help people with certain health conditions, such as emphysema, sleep apnea, or severe COVID-19, get enough oxygen to stay well and function. Oxygen therapy may be a temporary ...

THE AIR WE breathe is about 20 percent oxygen. When you inhale, oxygen travels from your lungs to your blood and then to your tissues and organs, ensuring that they function properly. In some ...

When travelling to high altitudes, you might experience discomfort or difficulty breathing. This condition is called oxygen deficiency, where your body isn’t getting enough oxygen. Oxygen deficiency ...

Deep beneath the ocean's surface, in the pitch-black abyss, scientists have uncovered a fascinating phenomenon: "dark oxygen." Unlike the oxygen produced by plants through photosynthesis, this oxygen ...

Oxygen is a non-metal element that is a gas at room temperature. Its molecules contain two oxygen atoms. Oxygen is vital for respiration, which is the process that transforms energy from glucose to ...