By Dennis Thompson HealthDay ReporterTUESDAY, Jan. 6, 2026 (HealthDay News) — A mail-in blood test accurately detects markers ...

Long COVID can linger long after the acute infection ends. People report fatigue, brain fog, dizziness, and poor sleep. Many ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

Could this five-minute palm scan read your body better than a blood test? - Nutritionist Louise Pyne tries the five-minute ...

Blood test results can be overwhelming to digest, complete with medical jargon and numerical values that may not mean much without an accompanying explanation. But to take charge of your health and ...

If your doctor suspects you may have exocrine pancreatic insufficiency (EPI), they’ll order a range of blood tests to check nutrient and enzyme levels. Share on Pinterest andresr/Getty Images While ...

In July, the US Food and Drug Administration (FDA) approved a new blood-based test to screen for colorectal cancer (CRC). The FDA's approval of Shield (Guardant Health) marks a notable achievement, as ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

Framed in his office, Eric Olson displays what he calls a “unique piece of history.” It’s a letter informing him of a $44 million settlement in a class action lawsuit involving Theranos, the infamous ...

What Is an MCV Blood Test? MCV stands for mean corpuscular volume. An MCV blood test measures the average size of red blood cells, which have the critical job of carrying oxygen to your organs. If ...

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 ...