Urine is a liquid waste material produced in and excreted by the body. Secreted by the renal tubules, it accumulates in the urinary bladder and is excreted via the urethra. While it is composed of ...

Journal of Exposure Science & Environmental Epidemiology - Determining times to maximum urine excretion of 1-aminopyrene after diesel exhaust exposure. Skip to main content.

New research indicates that measuring ammonium excretion in the urine may be help identify patients with chronic kidney disease (CKD) who face serious health risks. The findings appear in an ...

Compared with those in the highest tertile of urine ammonium excretion, patients in the lowest tertile had a 46% higher (hazard ratio [HR], 1.46; 95% confidence interval [CI], 1.13 - 1.87) risk ...

The researchers found that, compared with e-cigarette-only users, dual users had significantly higher urine excretion of metabolites of benzene, ethylene oxide, acrylonitrile, acrolein, and ...

The regulation of urine excretion during nighttime hours is influenced by many factors, including hormones, blood flow (hemodynamics), and sleep-related factors. The mechanism behind the day/night ...