Is the Galleri multi-cancer blood test worth it? A doctor explains real-world performance data and explains why no major ...

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 ...

With home testing options increasing more than ever, you now also have the ability to test for kidney function within the comfort of your own home. Learn more about our four best picks for at-home ...

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 ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

For more than 40 years, rigorous, repeatable testing has been at the core of everything we do here at PCMag. Take a look inside PC Labs where we test, rate, and review thousands of technology products ...