According to the institute, a single, reliable test to differentiate aggressive, life-threatening cancers from slower-growing ...

Heavy metals can build up in the body and cause a wide range of symptoms, such as nausea, vomiting, and behavioral changes. Heavy metal tests require urine or blood samples. People may take a heavy ...

At-home drug tests are urine or saliva tests that can identify if illegal or prescriptions drugs are present in your body. These tests are an alternative to going in person to a laboratory or other ...

A urine cytology test looks at the cells in your urine under a microscope. It can help your doctor diagnose some forms of urinary tract cancer. You may need one if you've had blood in your urine.

STI testing can check for chlamydia, gonorrhea, herpes, HIV, and other conditions. Testing is based on a blood or urine sample or a swab. People can have a test in a doctor’s office, clinic, or, in ...

The urine Na/K ratio is a parameter that shows considerable variability between and within days owing to physiological mechanisms and dietary effects. The most accurate method for assessing the Na/K ...

A breakthrough urine test could dramatically speed up how doctors treat urinary tract infections, identifying the right antibiotic in under six hours instead of waiting days. By testing directly from ...

The estimation formula by Tanaka et al. for predicting the 24-h urinary sodium (Na) excretion (24Na) from a single causal urine sample is widely used. However, it overestimates values in the low 24Na ...