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 ...

Taking a pregnancy test too early can procure a false negative result. How do you know when it's time to take one?

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 ...

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 ...

It's a common condition involving hypertension with serious consequences when left untreated. A Texas OB-GYN explains why she ...

Could you take a blood test and find out if you have Alzheimer's disease? Could GLP-1 medications for diabetes and weight loss also help with dementia? Is processed meat a no-no in brain health? And ...

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 ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...

A blood test could help doctors decide which patients with colon cancer should receive anti-inflammatory medication along ...

Standard workplace drug tests are unlikely to detect Ozempic, since semaglutide controlled substances. While routine urine tests usually don’t reveal Ozempic, specialized blood tests can detect the ...

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 ...