At-home celiac tests come in two main types: antibody tests that i.d. certain proteins present in the blood of people with celiac disease, and genetic tests that detect certain variants. For accurate ...

Vitamin D tests involve taking a blood sample to measure the vitamin D levels in your bloodstream. There are two forms of vitamin D in the blood: 25-hydroxy vitamin D, or calcidiol, and 1,25-dihydroxy ...

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 ...

Home A1C testing can be as accurate as in-person laboratory testing, but it’s important to follow the test instructions exactly to get accurate results. Your A1C is a snapshot of your average blood ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

Gone are the days of visiting a doctor’s office to determine whether you have Covid. Instead, you can buy over-the-counter test kits, which diagnose infection from the comfort of your home, making ...