Faulty urine samples were linked to nine cases in Sonoma County and two in Napa County. The California Department of Justice says the error was discovered in September.

New tests are being developed to spot early signs of breast cancer and endometriosis in urine.

Prostate cancer is one of the most frequently diagnosed cancers in men yet is often highly treatable when detected early. It originates in the prostate gland, located between the bladder and the penis ...

A state forensics laboratory in a Bay Area county alerted prosecutors that urine tests conducted between 2016 and 2025 may have resulted in inaccurate alcohol readings.

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 ...

Please provide your email address to receive an email when new articles are posted on . Compared with urine samples, vaginal swabs had significantly greater sensitivity for chlamydia and gonorrhea.

Though a band of the country’s largest for-hire motor carriers continue to promote the benefits of screening drivers for drug use via hair sample testing over a urine sample test, a rule from the U.S.

DEAR DR. ROACH: My urologist’s receptionist asks every person to leave a urine sample for testing. They ask without knowing the reason for the visit. I would not be surprised if they ask the UPS ...