Preparing for a blood test involves simple steps to ensure accuracy and comfort. Follow doctor's instructions regarding ...

It’s common for doctors to recommend getting bloodwork following a medical appointment or routine check-up. Blood tests can identify deficiencies in vitamins or minerals, immune system problems, or ...

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...

Not all blood tests require you to fast, but you should always follow your doctor’s instructions if you do need to fast for a specific exam. Blood tests are common procedures that healthcare providers ...

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

This article was reviewed by Felix Gussone, MD. How to Read Blood Test Results: What “Normal” Really Means for Your Health ...

Doctors mainly test for celiac disease using blood tests and small intestine biopsies. Testing for celiac disease aims to identify certain celiac-linked antibodies. These are proteins the immune ...

New research finds a blood test accurately diagnoses Alzheimer’s disease in patients. The blood test was 90% accurate in the study. This blood test is currently available in the U.S. Alzheimer’s ...

Researchers are studying tests called liquid biopsies, which can provide vital information about cancer genes using only a blood sample. A blood test to find cancer even before it shows any symptoms ...

New blood tests are set to change how Alzheimer's is diagnosed and treated by offering an easy way to see if patients have amyloid plaques and tau tangles in their brains — hallmarks of the disease. A ...

Though my cortisol test results stressed me out, I'm glad I know more about how cortisol affects my health. Anna Gragert (she/her/hers) was previously the lifestyle editor at HelloGiggles, deputy ...