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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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Mesothelioma - National Library of Medicine

... other organs is called mesothelium. Mesothelioma, also known as malignant mesothelioma, is cancer of that tissue. It ... After being exposed to asbestos, it usually takes a long time for the disease to form. Symptoms ...

Metabolic Disorders - National Library of Medicine

... store the energy in your body tissues, such as your liver, muscles, and body fat. A metabolic disorder occurs when abnormal chemical reactions in ... cells that produce the energy. You can develop a metabolic disorder when some organs, such as your ...

Mouth Disorders - National Library of Medicine

... the lips and around the mouth, caused by a virus Canker sores - painful sores in the mouth, caused by bacteria or viruses Thrush - a yeast infection that causes white patches in your ...

Movement Disorders - National Library of Medicine

... neurologic conditions that cause problems with movement, such as: Increased movement that can be voluntary (intentional) or ... to control voluntary movement. Parkinson's disease, which is a disorder that slowly gets worse over time. It ...

Myositis - National Library of Medicine

... of your body. Dermatomyositis causes muscle weakness, plus a skin rash. Other symptoms of myositis may include: ... falling Trouble swallowing or breathing Doctors may use a physical exam, lab tests, imaging tests and a ...

Neurofibromatosis - National Library of Medicine

Neurofibromatosis is a genetic disorder of the nervous system. It mainly affects how nerve cells form and grow. It causes tumors ... your parents, or it can happen because of a mutation (change) in your genes. Once you have ...

Nuclear Scans - National Library of Medicine

... structures and functions inside your body. They use a special camera that detects radioactivity. Before the test, you receive a small amount of radioactive material. You may get ...

Optic Nerve Disorders - National Library of Medicine

The optic nerve is a bundle of more than 1 million nerve fibers that carry visual messages. You have one connecting the back of each ... types of optic nerve disorders, including: Glaucoma is a group of diseases that are the leading cause ...

Parenting - National Library of Medicine

If you're a parent, you get plenty of suggestions on how to raise your child. From experts to other parents, people are ... is more than one "right" way to be a good parent. Good parenting includes: Keeping your child ...

Phenylketonuria - National Library of Medicine

Phenylketonuria (PKU) is a type of amino acid metabolism disorder. It is inherited. If you have it, your body can't process phenylalanine (Phe). Phe is an amino acid, a building block of proteins. It is in almost ...

Pituitary Tumors - National Library of Medicine

Your pituitary gland is a pea-sized gland at the base of your brain. The pituitary is the "master control gland" - it makes hormones that ... your body. This can cause endocrine diseases such as Cushing's syndrome and hyperthyroidism. Symptoms of pituitary tumors ...

Pleural Disorders - National Library of Medicine

Your pleura is a large, thin sheet of tissue that wraps around the outside of your lungs and lines the inside of your ... cavity. Between the layers of the pleura is a very thin space. Normally it's filled with a ...

Rabies - National Library of Medicine

Rabies is a deadly animal disease caused by a virus. It can happen in wild animals, including raccoons, skunks, bats and ... the symptoms begin, the disease is usually fatal. A series of shots can prevent rabies in people ...

Rosacea - National Library of Medicine

Rosacea is a long-term disease that affects your skin and sometimes your eyes. It causes redness and pimples. Rosacea is ... flushing Small, red lines under the skin Acne A swollen nose Thick skin, usually on the forehead, ...



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