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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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Household Products - National Library of Medicine

... toxic substances in different ways. At high doses, a toxic substance might cause birth defects or other ... containers they come in and use them exactly as the label says. Follow label directions or get ...

Kidney Cysts - National Library of Medicine

A cyst is a fluid-filled sac. You may get simple kidney cysts as you age; they are usually harmless. There are also ... cysts in other parts of the body, such as the liver. Often, there are no symptoms at ...

Leishmaniasis - National Library of Medicine

Leishmaniasis is a parasitic disease spread by the bite of infected sand flies. There are several different forms of leishmaniasis. The ... sores. The visceral type affects internal organs such as the spleen, liver, and bone marrow. People with ...

Low Blood Pressure - National Library of Medicine

... ve probably heard that high blood pressure is a problem. Sometimes blood pressure that is too low ... written one above or before the other, such as 120/80. If your blood pressure reading is ...

Male Breast Cancer - National Library of Medicine

... breast symptoms can include: Dimpled or puckered skin A red, scaly nipple or skin Fluid discharge Risk ... for male breast cancer include exposure to radiation, a family history of breast cancer, and having high ...

Managed Care - National Library of Medicine

Managed care plans are a type of health insurance. They have contracts with health care providers and medical facilities to provide care for members at ... choices usually cost you less. If you want a flexible plan, it will probably cost more. There ...

Medicare - National Library of Medicine

... term care. The program has four parts: Part A is hospital insurance Part B helps pay for medical services that Part A doesn't cover Part C is called Medicare ...

Medicines - National Library of Medicine

... may only need to take medicine once in a while. Either way, you want to make sure ... to think about these risks before you take a medicine. Even safe medicines can cause unwanted side ...

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 ...

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 ...



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