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... energy in your body tissues. If you have a metabolic disorder, something goes wrong with this process. Carbohydrate metabolism disorders are a group of metabolic disorders. Normally your enzymes break ...
... 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.
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... 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, ...
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. ...
... your balance. Dizziness can have many different causes. A sudden drop in blood pressure or being dehydrated ... So can motion sickness. Sometimes dizziness can be a symptom of other disorders. As people get older, ...
... 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, ...
Dystonia is a movement disorder that causes involuntary contractions of your muscles. These contractions result in twisting and repetitive movements. Sometimes ...
... ear. The vibrations travel to your inner ear, a snail-shaped organ. The inner ear makes the ... sent to the brain. Your brain recognizes them as sounds. The inner ear also controls balance. A ...
... day or night. If an earthquake occurs in a populated area, it may cause property damage, injuries, and even deaths. If you live in a coastal area, there is the possibility of a ...
... outer surface of your eye. Certain jobs such as industrial jobs or hobbies such as carpentry make this type of injury more likely. ...
... choose between contacts or glasses. Either usually requires a prescription. Almost anyone can wear glasses. Contact lenses ... careful handling. Many jobs and some sports carry a risk of eye injury. Thousands of children and ...
... 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 ...