How major organs work together to manage extreme physiological stresses such as lack of oxygen and sleep has been mapped for ...

Researchers are making ever more sophisticated mini organs in the lab — and now they can grow their own blood vessels. The ...

Oxygen saturation, “the fifth vital sign”, should be checked by pulse oximetry in all breathless and acutely ill patients (supplemented by blood gases when necessary) and the inspired oxygen ...

Low blood pressure (hypotension) might not seem as serious as high blood pressure, but when it drops too low, it can leave ...

Advice Dear Doctor: Is it true that urine pH levels can be changed even though blood pH levels can’t? Published: Jun. 30, 2025, 6:00 a.m.

Critical reservoirs Lakes Mead, Powell hit 'alarmingly low levels' again A report shows that both Mead and Powell have "reached alarmingly low levels, holding just one-third of their usual capacity." ...

Geologic records reveal that magnetic field strength and oxygen levels rise and fall together, implying deep-Earth processes influence surface habitability.

Finding yourself suddenly feeling tired, losing hair or even experiencing mood changes can impact your quality of life. Equally scary is not knowing what's causing those changes. While these same ...

In an Earth-sized take on the age-old ‘correlation or causality’ question, researchers have come across a fascinating match between Earth’s magnetic field and its oxygen levels si… ...

(NewsNation) — Hypoglycemia, or low blood sugar, occurs when the glucose (sugar) levels in a person’s blood are too low. While it is often associated with diabetes, it can also occur in people ...