The blood test that detects nicotine is called a cotinine test. It measures recent tobacco use and exposure. Cotinine is a chemical that comes from the breakdown of nicotine in the body. A blood test ...

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 ...

Is the Galleri multi-cancer blood test worth it? A doctor explains real-world performance data and explains why no major ...

Blood tests are common procedures that healthcare providers use to diagnose certain health conditions and check the status of important measurements like your cholesterol levels or blood sugar. In ...

Staying on top of your health starts with knowing what your blood is telling you. These tests help detect silent threats early. As adults, one thing that you should never joke about is your health.

What Is an MCHC Blood Test? A mean corpuscular hemoglobin concentration (MCHC) blood test measures the amount of a protein called hemoglobin in your red blood cells. It’s one of many measurements ...

A blood test is a medical procedure where a sample of a person's blood is taken (called a blood draw) and sent to a lab for analysis. Knowing the results of blood tests helps a physician better ...