Colon-Cancer Q&A: What to Know – Wall Street Journal

The death of actor and “Black Panther” star Chadwick Boseman at 43 years old shines a spotlight on the risk of colon cancer, especially “young onset” colorectal cancer which is on the rise among people under the age of 50. Here are a few things to know about the disease.

What is colon cancer, and what are the symptoms?

Colon cancer, also called colorectal cancer, starts in the colon in the digestive system and tends to grow slowly over many years. It usually begins as a growth of tissue called a polyp, and removing the polyp…