A urine drug test is used to detect the presence of illegal and prescription drugs in urine. It’s also known as a urine drug screen. In a urine drug test, a sample of urine is sent to a lab. A tester ...

A urine-specific gravity test compares the density of urine with the density of water. The test may help healthcare professionals identify dehydration, a kidney problem, or a condition like diabetes ...

ALTHOUGH many extensive investigations in animals 1–3 have demonstrated the existence of renal medullary hyperosmolality suggestive of a counter-current mechanism of urine concentration, direct ...

Diabetes insipidus is a rare condition that affects the body’s ability to balance fluid levels properly. The condition can lead to excess urine production and low urine osmolality, which refers to the ...