A new CRISPR-powered light sensor can detect the faintest whispers of cancer in a single drop of blood.

A new blood test that detects a hallmark of Alzheimer's is poised to change the way doctors diagnose and treat the disease. The test, the first of its kind to be cleared by the Food and Drug ...

Add Yahoo as a preferred source to see more of our stories on Google. Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) (Getty Images) If ...

A new blood test could diagnose pancreatic cancer much earlier, improving survival rates for people with the disease. A large part of the reason for this poor prognosis is that pancreatic cancer is ...

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 ...

When doctors suspect Alzheimer's, they can order a blood test to learn whether a patient's brain contains the sticky amyloid plaques that are a hallmark of the disease. But the results of that test ...

Colorectal cancer cases are rising among younger people, striking even folks without obvious risk factors. For nearly two decades, UC San Francisco Family Community Medicine Professor Micheal Potter, ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

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 ...

Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make ...