The terms tumor and cancer can refer to different types of lumps and bumps. But the terms are often confused and misused—by the general public and even health professionals. Subscribe to our ...

There is a constant war going on in your body. Working against you are viruses and cancer cells growing uncontrollably, threatening your tissues and organs. Fighting on your side are immune cells such ...

Scientists have identified a molecular switch that may help explain how colorectal cancer becomes deadly. When levels of a ...

Damaged DNA can escape from one human cell and infiltrate another. Like prisoners tunneling out of jail, this DNA travels via tubelike structures between neighboring cells, scientists report May 19 in ...