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MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.

MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.

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Spinal Stenosis - National Library of Medicine

... in people older than 50. Younger people with a spine injury or a narrow spinal canal are also at risk. Diseases such as arthritis and scoliosis can cause spinal stenosis, too. ...

Steroids - National Library of Medicine

... But there's another type of steroid - sometimes called a corticosteroid - that treats a variety of problems. These steroids are similar to ... corticosteroids to treat: Arthritis Asthma Autoimmune diseases such as lupus and multiple sclerosis Skin conditions such as ...

Stomach Disorders - National Library of Medicine

... on to the small intestine. Most people have a problem with their stomach at one time or ... over-the-counter medicines and lifestyle changes, such as avoiding fatty foods or eating more slowly. Other ...

Syringomyelia - National Library of Medicine

Syringomyelia is a rare disorder that causes a cyst to form in your spinal cord. This cyst, called a syrinx, gets bigger and longer over time, destroying part of the spinal ...

Teen Development - National Library of Medicine

As a teenager, you go through many physical, mental, emotional, and social changes. The biggest change is puberty, the ... girls and ages 12 and 16 for boys. As your body changes, you may have questions about ...

Thymus Cancer - National Library of Medicine

The thymus is a small organ in your upper chest, under your breastbone. Before birth and during childhood, the thymus helps the body make a type of white blood cell. These cells help ...

Vegetarian Diet - National Library of Medicine

A vegetarian diet focuses on plants for food. These include fruits, vegetables, dried beans and peas, grains, ... need. However, they must be careful to eat a wide variety of foods to meet their nutritional ...

Wildfires - National Library of Medicine

... are fires that burn out of control in a natural area, like a forest, grassland, or prairie. They often begin unnoticed. ... if you live in an area threatened by a wildfire, you can take actions to protect yourself. ...

Wilson Disease - National Library of Medicine

Wilson disease is a rare inherited disorder that prevents your body from getting rid of extra copper. You need a small amount of copper from food to stay ... Normally, your liver releases extra copper into bile, a digestive fluid. With Wilson disease, the copper builds ...

Zika Virus - National Library of Medicine

Zika is a virus that is spread mostly by mosquitoes. A pregnant mother can pass it to her baby during pregnancy ... five people do get symptoms, which can include a fever, rash, joint pain, and conjunctivitis (pink eye). ...

Advance Directives - National Library of Medicine

... life care ahead of time. They give you a way to tell your wishes to family, friends, ... care professionals and to avoid confusion later on. A living will tells which treatments you want if ...

Bile Duct Diseases - National Library of Medicine

Your liver makes a digestive juice called bile. Your gallbladder stores it between meals. When you eat, your gallbladder pushes the bile into ... diseases can block the bile ducts and cause a problem with the flow of bile: Gallstones, which ...

Birthmarks - National Library of Medicine

... abnormalities of the skin that are present when a baby is born. There are two types of ... port-wine stains. Pigmented birthmarks are made of a cluster of pigment cells which cause color in ...

Brain Tumors - National Library of Medicine

A brain tumor is a growth of abnormal cells in the tissues of the brain. Brain tumors can be benign, with no cancer cells, or ... behavior Seizures Doctors diagnose brain tumors by doing a neurologic exam and tests including an MRI, CT ...



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