Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.

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 ...

Urine tests can detect alcohol metabolites in your system long after you’ve had your last drink. When your body processes alcohol, it produces alcohol metabolites. These metabolites stick around in ...