Opiate drugs and medications — such as morphine, heroin, and codeine — can be detected in a urine test up to 3 days after use. The words “opiate” and “opioid” are used interchangeably, but they’re not ...

Researchers have developed a more efficient way to find out which new 'designer drugs' are circulating in the community. In a new study, they showed how high-resolution mass spectrometry can be used ...

The pH scale is used to measure the acidity of a fluid. The pH scale ranges from 0 to 14. A pH of 7 is neutral, whereas a pH result below 7 is acidic and above 7 is alkaline. Urine has the widest ...

A urine protein test measures the amount of protein in a urine sample. A doctor may suggest this test to help evaluate and monitor kidney function and potentially detect kidney damage. The kidneys ...