I was one of the first to spit into a test tube, giving up my DNA forever to learn more about my health and heredity. You know, the ones that promise to connect you with distant relatives you didn’t ...

With the rise of DNA ancestry tests, it’s easier than ever to learn about your family history and connections. Today, there are many DNA testing services to choose from. They're easy to use. You’ll ...

Circulating tumor DNA (ctDNA) is a blood test that looks for tiny pieces of cancer DNA released by dying cells, allowing doctors to detect cancer using a simple blood sample, Dr. Nicholas Hornstein ...