Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

A tissue transglutaminase IgA test or tTg-IgA test is an effective method used in the diagnosis of celiac disease. It is a blood test that checks for antibodies or immunoglobulins, which are proteins ...

The sitting-rising test is a simple way to check your physical fitness and longevity at home. A higher score may be a sign of decreased cardiovascular and respiratory disease risk. Balance training ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

When you get a diagnosis of breast cancer, your doctor will use several tests to learn details about your tumor and the best way to treat it. The FISH (fluorescence in situ hybridization) test checks ...