I tried the $950 blood test Silicon Valley thinks can revolutionize cancer screening. The science—and my results—tell a ...

A fasting blood test requires you to avoid eating or drinking anything for some time before your test. The amount of time to fast varies for different tests. It’s generally in the range of 8 to 12 ...

Yeast infections are a common type of infection. About 75 percent of women have had a yeast infection at least once in their lifetimes. While uncomfortable, yeast infections are typically easy to ...

A TB blood test is a diagnostic test to detect the presence of Mycobacterium tuberculosis. This is the bacteria that causes tuberculosis (TB). These tests use a sample of blood to check for an immune ...

Have your COVID-19 rapid tests expired? Don’t toss them yet. Federal regulators have extended some tests’ expiration dates, meaning certain offerings are now usable for months longer. The reason for ...

A 10-panel drug test usually uses a urine sample to check for 10 common drugs, including prescription medications and illicit street drugs, but false positives can happen. The test can detect cannabis ...