Urine tests measure specific substances in your urine, such as electrolytes, proteins, and bacteria. These tests can reveal a lot about your health, particularly when gradual changes or big jumps ...

How long alcohol stays in your system depends on factors such as age, weight and medications. Breath tests detect alcohol within 24 hours and urine tests measure within at least 12 to 24 hours. The ...

Some people are more likely to have protein in their urine. If your doctor does a routine dipstick protein urine test, you might need to do a 24-hour urine protein test. What Is a 24-Hour Urine ...

Small amounts of protein can appear in your urine and be OK. Above a certain level, however, may indicate proteinuria, which can be a red flag for kidney disease. Proteins are among the most important ...