Early cancer detection can mean the difference between a quick treatment and a life-changing diagnosis. For decades, doctors and scientists have chased the same goal: a simple blood test that could ...

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 ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. A combined blood test for ...

Alzheimer’s disease is a devastating condition that affects more than 7 million Americans, according to the Alzheimer’s Association. As the Baby Boomer generation ages, this number is estimated to ...