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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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Cirrhosis - National Library of Medicine

... bleed suddenly. Kidney failure Jaundice Severe itching Gallstones A small number of people with cirrhosis get liver ... diagnose cirrhosis with blood tests, imaging tests, or a biopsy. Cirrhosis has many causes. In the United ...

Cloning - National Library of Medicine

... copied material, which has the same genetic makeup as the original, is referred to as a clone. The most famous clone was a Scottish sheep named Dolly. There are three different ...

Cold Sores - National Library of Medicine

Cold sores are caused by a contagious virus called herpes simplex virus (HSV). There are two types of HSV. Type 1 usually causes oral herpes, or cold ... of the mouth. They are not the same as canker sores, which are not contagious. There is ...

Connective Tissue Disorders - National Library of Medicine

... supports many different parts of your body, such as your skin, eyes, and heart. It is like a "cellular glue" that gives your body parts their ... tissue. There are different types: Genetic disorders, such as Ehlers-Danlos syndrome, Marfan syndrome, and osteogenesis imperfecta ...

Corneal Disorders - National Library of Medicine

... your eye. It is clear and shaped like a dome. The cornea helps to shield the rest ... parts of the cornea lose clarity due to a buildup of cloudy material Treatments of corneal disorders ...

Cystic Fibrosis - National Library of Medicine

... people have serious problems from birth. Others have a milder version of the disease that doesn't ... symptoms. CF is diagnosed through various tests, such as gene, blood, and sweat tests. There is no ...

Dentures - National Library of Medicine

... upper or lower jaw. Partials replace one or a few teeth. Dentures may feel strange at first. ... liquids. Also, you may not notice biting on a bone from your food. In the beginning, your ...

Diabetes Type 1 - National Library of Medicine

... your pancreas does not make insulin. Insulin is a hormone that helps glucose get into your cells ... having tingling in your feet Having blurry eyesight A blood test can show if you have diabetes. ...

Diabetic Kidney Problems - National Library of Medicine

... get regular screenings for kidney disease. Tests include a urine test to detect protein in your urine and a blood test to show how well your kidneys ... People with kidney failure need either dialysis or a kidney transplant. You can slow down kidney damage ...

Drowning - National Library of Medicine

... water in their lungs. You can drown in as little as an inch or two of water. Babies can drown in a sink or bathtub. Preschoolers are most likely to drown in a swimming pool. People who have seizure disorders are ...

E-Cigarettes - National Library of Medicine

... vaping. The user puffs on the mouthpiece of a cartridge. This causes a vaporizer to heat the liquid inside the cartridge. ... They contain other potentially harmful chemicals There is a link between e-cigarette use and tobacco cigarette ...

Epilepsy - National Library of Medicine

Epilepsy is a brain disorder that causes people to have recurring seizures. The seizures happen when clusters of nerve cells, or ... not working well, surgery or implanted devices such as vagus nerve stimulators may help. Special diets can ...



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