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 ...

American medicine runs more than 14 billion tests a year. While some tests can be lifesaving, many are used at the wrong time or on the wrong patient and are useless or even harmful. The medical ...

At-home drug tests are urine or saliva tests that can identify if illegal or prescriptions drugs are present in your body. These tests are an alternative to going in person to a laboratory or other ...

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 ...

Any activity that creates dust should be investigated to see whether there is a risk of that dust being combustible. We've been blogging and writing a lot recently on the basics of combustible dust.