Blood-based tests are options for men and women between 45 and 85 who are at average risk for colon cancer and due for screening, the doctor noted. "If you have high risk family history or other ...

Your immune system may identify the trigger—which is actually harmless—as a threat, and set the immune response into motion. There are several different methods of diagnosing allergies, including ...

Unsurprisingly, my cortisol blood test results came back as "high" at 33.2 mcg/dL. Quest reports that a normal range between 7 a.m. and 9 a.m. is 4.0-22.0 mcg/dL. To be frank, this freaked me out.

These are the most important blood tests that doctors suggest you should ... with an increased risk of heart disease, while high HDL levels are generally protective. Elevated triglycerides can ...

A vitamin B12 blood test is a reliable ... your healthcare provider before the test. At-home test kits for vitamin B12 are available and often involve collecting a urine sample. While convenient, they ...

Blood tests are often the first line of testing for evaluating MS symptoms. They can’t confirm a diagnosis of MS, but they can help rule out other conditions or point to a diagnosis. Multiple ...

If you have high blood pressure, medication may be an important part of the plan to keep you healthy. Also called antihypertensive medicines, these drugs can't cure high blood pressure but can ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) ...

These updated guidelines on the management of abnormal liver blood tests have been commissioned by the Clinical Services and Standards Committee (CSSC) of the British Society of Gastroenterology (BSG) ...

This article describes what happens during a serum iron test. It also explains the normal ranges of iron in the blood and the treatment options for people whose iron levels are too high or too low.