Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

If you feel sick or uncomfortable after eating foods like bread or pasta, you're not alone. Millions of people struggle with ...

Share on Pinterest Two experimental blood tests have shown promise in picking up on early signs of Alzheimer’s disease. Image credit: MaaHoo/Stocksy. One area is focusing on biomarkers ...

Medically reviewed by Steffini Stalos, DO Ferritin is a protein that stores iron for your body. Iron is a mineral needed to ...

An arterial blood gas (ABG) test measures the oxygen and carbon dioxide balance in your blood. It also measures the pH or acid-base balance in your blood. ABG tests are used to evaluate lung and ...

Many people living with SIBO experience difficulty with getting a diagnosis. That's because the symptoms of SIBO closely ...

A simple test that checks the levels of a certain protein in the blood could “reliably rule out” Alzheimer’s in those being investigated for the disease, according to its developers.

As a result, delaying diagnosis and defaulting to a series of lengthy tests may very well do the patient more harm than good in cases of microbial infection.

People with celiac disease, lupus, type 1 diabetes, and Sjögren’s syndrome can also be at risk of suffering from Hashimoto‘s disease. Diagnosis typically involves blood tests to measure levels of ...

This makes it even more important to obtain a good history and physical examination of the patient. In the hospital, a more invasive but more accurate test, called blood gas, is used. Blood gas tests ...

If you've ever wondered about your family tree and genetic makeup, useful DNA kits — like the 23andMe+ Premium Membership ...

SIBO is a condition that results from an overgrowth in bacteria in the small intestine and gut. Here, MDs explain SIBO causes ...