A colonoscopy is still the gold standard. It can find and remove precancerous growths during the same procedure, which no ...

Following your doctor’s instructions is the most important part of preparing for a blood test. Sleeping well, staying hydrated, and avoiding certain foods and drinks can also provide benefits. Blood ...

How can DNA from a cheek swab determine if someone is closely related to you? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. DNA tests can tell ...

The ability to extract trace bits of DNA from soil, water, and even air is revolutionizing science. But it's not foolproof. In the late 1980s, at a federal research facility in Pensacola, Florida, ...

DNA is often called the blueprint of life, but what does that really mean? Elizabeth Worthey, Ph.D., associate professor, Department of Genetics in the Heersink School of Medicine, explains everything ...