Health Information Library

Learn about this type of non-Hodgkin lymphoma that can attack many organs including the stomach, small intestine and the eyes. Find out about symptoms, diagnosis and treatments.

An injury in which the upper arm bone pops out of the shoulder socket.

A viral infection spread mainly by mosquito bites.

Swelling and irritation of the thin, saclike tissue that surrounds the heart, called the pericardium.

A childhood infection causing an itchy rash with fluid-filled blisters that a vaccine can prevent.

A condition in which the entire sole of the foot touches the floor when standing.

A break in the upper arm bone, known as the humerus.

A condition involving stiffness and pain in the shoulder joint. Also known as frozen shoulder.

Any of a group of infectious diseases that affect many of the body's organs and may lower the blood's ability to clot.

Any of a group of infectious diseases that affect many of the body's organs and may lower the blood's ability to clot.

An illness caused by infection with bacteria and commonly spread through contaminated food or water.

A lack of the recommended blood levels of one or more essential vitamins.

An unusual amount of fluid, ranging from clear to thick mucus, can run from the nose.

A serious illness caused by bacteria that mainly infect the lungs.

A condition that occurs when cancer cells spread from their original site to a bone.

Learn about the types of viral hepatitis, how they spread, how they're treated and how to protect yourself from getting sick.

A hormonal condition causing the ovaries to get larger and form small cysts on their outer edges.

An immune system illness marked by dry eyes and dry mouth.

This condition slows or blocks blood flow through the liver. Treatment is key to help prevent and manage serious complications such as bleeding.

You can get immunity from a virus by getting the vaccine or by getting the virus. Which is better for you?