An adult male weighing 200 pounds has about 12 pints of blood, while an adult female weighing 165 pounds has about 9 pints. A healthy adult can safely lose about 1 pint of blood. Losing more than 40% ...

Electrolytes are chemicals naturally occurring in your body fluids. They include chloride, phosphate, potassium, sodium, and calcium. These are important for normal body functions and should be ...

Spaceflight takes a physical toll on astronauts, causing muscles to atrophy, bones to thin and bodily fluids to shift. According to a new study published in the journal PNAS, we can now add another ...

Examples of body art noted for creativity and technical skill. Teens arrested after teacher prank turns deadly in Georgia Seventh American service member dies in Iran war, Pentagon says Jesse Jackson ...

An anion gap test helps diagnose blood pH imbalances like acidosis and alkalosis. The test measures a gap between positively and negatively charged particles in the blood. The serum anion gap test is ...

Caroline Cohen, Ph.D., RD, a dietitian and assistant professor in the University of Alabama at Birmingham Department of Family and Community Medicine, says hydration and electrolyte status are key ...

Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...

Real-time clinical validation of a blood cell-free, mRNA-based GeneVerify test for screening and early diagnosis of prostate cancer. Circulating tumor DNA and late recurrence in high-risk, hormone ...

Researchers have discovered a new biomarker for Parkinson's disease. A misfolded protein facilitates reliable diagnosis even in the early stages of Parkinson's disease in body fluids. Parkinson's ...

A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a subject of debate. Encased in the skull, perched atop the spine, the brain has a ...