hemoglobin carries oxygen from your lungs to your body's cells, which use oxygen as fuel for energy production. Healthy blood oxygen levels ensure your body's tissues and organs function as they ...

Low-intensity exercise is thought to be better for keeping this “stress hormone” in check. But scientists say cortisol plays ...

Introduction Stamina and endurance are essential for athletes, fitness enthusiasts, and anyone looking to improve their overall physical performance. While training, nutrition, and rest play a vital ...

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you ...

In order to properly oxygenate the body, your breathing rate (even while at rest) has to increase. This extra ventilation increases the oxygen content in the blood, but not to sea level concentrations ...

Oxidative stress is an imbalance of free radicals and antioxidants in the body that can lead to cell ... Free radicals, including reactive oxygen species, are molecules with one or more unpaired ...

Although the body needs oxygen to survive, these high levels of oxygen quickly damage and kill cells. In 2016, Jain was part of a research team that showed that breathing low-oxygen air ...

Scientists found that volcanic eruptions triggered short-lived oxygen spikes before Earth's air became breathable.

Although the body needs oxygen to survive, these high levels of oxygen quickly damage and kill cells. In 2016, Jain was part of a research team that showed that breathing low-oxygen air ...

If your complete blood count shows low red blood cells, you may have anemia during pregnancy, which may cause symptoms like ...