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Why Do Eyes Water? for Kids
What does it mean when your eyes water? It's not the same as crying - or is it?
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Salvia for Teens
There are many types of salvia plants. One, salvia divinorum, has a substance that can cause psychedelic experiences. Learn more about salvia in this article for teens.
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A to Z: Lymphadenitis for Parents
Learn about bacterial infections and problems of the lymphatic system.
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A to Z: Graft Versus Host Disease for Parents
When a person receives a stem cell transplant, this treatable complication can make it tougher for the immune system to heal.
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Definition: Autoimmunity for Parents
Sometimes the immune system makes a mistake and attacks the body's own tissues or organs. This is called autoimmunity.
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X-Ray Exam: Chest for Parents
A chest X-ray is a safe and painless test that uses a small amount of radiation to take a picture of a person's chest, including the heart, lungs, diaphragm, lymph nodes, upper spine, ribs, collarbone, and breastbone.
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Health Care Providers: Gastroenterologists for Parents
A gastroenterologist is a doctor who studies, diagnoses, and treats diseases and conditions that affect the stomach and intestines.
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What Happens to Swallowed Gum? for Kids
Gulp. You accidentally swallowed your gum. Will it really stay in your stomach for years?
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X-Ray Exam: Abdomen for Parents
An abdominal X-ray can help find the cause of problems such as pain, kidney stones, intestinal blockage, a hole in the intestine, or an abdominal mass such as a tumor.
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X-Ray Exam: Neck for Parents
A neck X-ray can help doctors diagnose many conditions, including stridor, croup, hoarseness due to swelling in or near the airways, and problems with tonsils and adenoids.