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.
... that covers the ends of your bones at a joint. It also gives shape and support to other parts of your body, such as your ears, nose and windpipe. Healthy cartilage helps ...
Charcot-Marie-Tooth disease (CMT) is a group of genetic nerve disorders. It is named after the three doctors who first identified it. In the United States, CMT affects ...
Having a pain in your chest can be scary. It does not always mean that you are having a heart attack. There can be many other causes, including: Other heart problems, such as angina Panic attacks Digestive problems, such as heartburn ...
A cochlear implant is a small, complex electronic device that can help to provide a sense of sound. People who are profoundly deaf or severely ... the outside of the body, behind the ear. A second part is surgically placed under the skin.
...
... our world in color. We enjoy looking at a lush green lawn or a red rose in full bloom. If you have a color vision defect, you may see these colors ... types are blue-yellow color vision defects and a complete absence of color vision. Most of the ...
It is hard when your baby is sick. Common health problems in babies include colds, coughs, fevers, and vomiting. Babies also commonly have skin problems, ...
... 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 ...
Creutzfeldt-Jakob disease (CJD) is a rare, degenerative brain disorder. Symptoms usually start around age 60. Memory problems, behavior changes, vision problems, and poor muscle coordination progress ...
... larynx) and windpipe (trachea). It causes difficulty breathing, a barking cough, and a hoarse voice. The cause is usually a virus, often parainfluenza virus. Other causes include allergies ...
Fiber is a substance in plants. Dietary fiber is the kind you eat. It's a type of carbohydrate. You may also see it listed on a food label as soluble fiber or insoluble fiber. ...
... means that their height is under 4' 10" as an adult. They are usually of normal intelligence. ... the most common type of dwarfism. Achondroplasia is a genetic condition that affects about 1 in 15, ...
... EMF exposure and cancer. Some studies have found a link between EMF exposure and a higher risk of childhood leukemia, but other studies ... The phones do give off radiofrequency energy (RF), a form of electromagnetic radiation. So far, scientific evidence ...
... outer surface of your eye. Certain jobs such as industrial jobs or hobbies such as carpentry make this type of injury more likely. ...
... families. Some have two parents, while others have a single parent. Sometimes there is no parent and ... genes or the same address. They should be a source of love and support. This does not ...
... if the woman is over age 35). If a woman keeps having miscarriages, it is also called ... an egg regularly or they may not release a healthy egg. About a third of the time, ...
... than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems: Bunions - hard, painful bumps on ...
If you've ever gotten a splinter or had sand in your eye, you've had experience with a foreign body. A foreign body is something that is stuck inside ... to be there. You may inhale or swallow a foreign body, or you may get one from ...
... available, here are steps to take: Get into a warm room as soon as possible. If possible, do not walk on frostbitten ... This can cause more damage. Don't use a heating pad, heat lamp, or the heat of ...
Granulomatosis with polyangiitis (GPA), previously known as Wegener's granulomatosis, is a rare disease. It is a type of vasculitis, or inflammation of the blood vessels. The inflammation limits the ...
... But many men -- and some women -- lose hair as they grow older. You can also lose your hair if you have certain diseases, such as thyroid problems, diabetes, or lupus. If you take ...
