The lymphatic system is made up of many vessels that carry fluid throughout the body. Lymphedema is an abnormal buildup of protein-rich fluid in any part of the body as a result of malfunction in the ...

An insect sting occurs when an insect uses its stinger on you. The insect may be a bee, wasp, hornet, or yellow jacket. You may have an allergic reaction to the venom. Stings can happen anywhere on ...

Polycythemia vera (PV) is a rare blood disorder in which there is an increase in all blood cells, particularly red blood cells. The increase in blood cells makes your blood thicker and can cause ...

What are some common types of benign breast lumps? Noncancer (benign) breast lumps can have many causes. Two of the most common causes of benign single breast lumps are cysts and fibroadenomas.

What is a food-medicine interaction? A food-medicine interaction is when a food or drink changes how a medicine works. This can happen with both prescription and over-the-counter (OTC) medicines, ...

Short stature is a general term used to describe a condition in which a child or a teen's height is well below the average height of his or her peers. Short stature typically means that a person's ...

What is an epidural abscess? An epidural abscess is an infection that forms in the space between your skull bones and your brain lining (intracranial epidural abscess). Quite often, it forms in the ...

The exact cause of hip impingement is usually unknown. There are two main types of hip impingement defined by where deformity occurs in the joint: the femoral head or acetabulum. A physical exam, ...

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