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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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Itching - National Library of Medicine

... Along with the itching, you may also have a rash or hives.What causes itching? Itching is a symptom of many health conditions. Some common causes ...

Kidney Cancer - National Library of Medicine

... inside your kidneys. Kidney cancer becomes more likely as you age. Risk factors include smoking, having certain genetic conditions, and misusing pain medicines for a long time. You may have no symptoms at ...

Lead Poisoning - National Library of Medicine

Lead is a metal that occurs naturally in the earth's crust. Lead can be found in all parts of our environment. Much of it comes from human activities such as mining and manufacturing. Lead used to be in ...

Medical Ethics - National Library of Medicine

... issues relating to : End of life care: Should a patient receive nutrition? What about advance directives and ... does life begin? Is it ethical to terminate a pregnancy with a birth defect? Genetic and prenatal ...

Osteogenesis Imperfecta - National Library of Medicine

Osteogenesis imperfecta (OI) is a genetic disorder in which bones fracture (break) easily. Sometimes the fractures happen for no known reason. OI can also cause weak muscles, brittle teeth, a curved spine, and hearing loss. OI is caused ...

Pancreas Transplantation - National Library of Medicine

The pancreas is a gland behind your stomach and in front of your spine. It produces the juices that help break down food ... the hormones that help control blood sugar levels. A pancreas transplant is surgery to place a healthy ...

Retinal Detachment - National Library of Medicine

The retina is a layer of tissue in the back of your eye that senses light and sends images to your brain. It ... needed for reading, driving, and seeing fine detail. A retinal detachment lifts or pulls the retina from ...

Schizophrenia - National Library of Medicine

Schizophrenia is a serious brain illness. People who have it may hear voices that aren't there. They may think other ... disorder makes it hard for them to keep a job or take care of themselves. Symptoms of ...

Sleep Apnea - National Library of Medicine

Sleep apnea is a common disorder that causes your breathing to stop or get very shallow. Breathing pauses can last from a few seconds to minutes. They may occur 30 ...

Teen Mental Health - National Library of Medicine

Being a teenager is hard. You're under stress to be liked, do well in school, get along with ... hopeless or worthless could be warning signs of a mental health problem. Mental health problems are real, ...

Throat Disorders - National Library of Medicine

Your throat is a tube that carries food to your esophagus and air to your windpipe and larynx. The technical name for your ... Throat problems are common. You've probably had a sore throat. The cause is usually a viral ...



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