Melanosis coli is a harmless condition that makes the lining of the colon discolored. It's not a life-threatening health problem. It's not cancer. Instead of a pinkish color, the colon wall looks dark brown or black. Melanosis coli causes no...

These lumps are bunches of blood vessels that are surrounded by a thin membrane. They are usually harmless. Read on to learn about the causes, symptoms, diagnosis, and treatment.

Permissive hypertension means letting a person's blood pressure stay higher than normal for a short time. It's done on purpose by doctors in the hospital. The goal is to protect organs, especially the brain and spinal cord, when blood flow to them...

Lynch syndrome is a condition that is inherited, which means it runs in families. This condition makes it more likely for a person to get certain types of cancers. Colorectal cancer and endometrial (uterine) cancer are the most common ones. Other...

A heart attack is an event that occurs when part of the heart muscle does not get enough blood and oxygen. This part of the heart starts to die. A heart attack doesn't have to be deadly. Quick treatment can restore blood flow to the heart and save...

Valve-sparing aortic root replacement (VSRR) is a heart surgery that repairs an enlarged aortic root while keeping your own healthy aortic valve. Read on to learn how it's done and what to expect during recovery.