We tested the best vitamin deficiency tests from LetsGetChecked, Everlywell, and LabCorp, and our testers found them easy to use and informative. Learn more about the best vitamin deficiency tests ...

Many employers administer pre-employment tests to determine if an applicant meets the minimum qualifications for a position. These tests also predict how an applicant will perform within a given role ...

What Are At-Home Colon Cancer Tests? The gold standard screening test for cancer in your colon or rectum, colorectal cancer, is a colonoscopy. This is done at a doctor's office under sedation, after a ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

If you’re experiencing digestive issues or diarrhea and suspect gluten is the cause, a celiac test could be illuminating, especially if you have a family history of celiac disease. At-home celiac test ...