Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Medically reviewed by Lindsay Cook, PharmD Vitamins C, A, and B, as well as the amino acid l-lysine, are supplements that can ...

When we think of blood, the colour red usually comes to mind. But in the animal kingdom, some creatures have blood that ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

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

Scientists have discovered that a part of the brain may be behind high blood pressure. The lateral parafacial region sits in ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...