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

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 ...

Explore the fascinating and lethal world of ocean brine pools, known as 'lakes of death,' which harbor unique ecosystems and ...

Have you ever felt "off" and gotten bloodwork done, only to find out your results were all within the "normal" range? That ...

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

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Understanding post-meal blood sugar is crucial for diabetes management, as food intake directly impacts glucose levels and insulin needs. While general target ranges exist, individual goals vary ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Largest study on this topic suggests that measurement errors lead to potential delays in care and contribute to health ...