Articles In This Section
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Word! Autism
Autism is a brain problem that makes it hard for kids to understand the world around them.
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Word! Appendix
The appendix is a small sac attached to the large intestine.
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Word! Appendicitis
Appendicitis happens when a part of the digestive system called the appendix gets inflamed or swells up.
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Word! Adenovirus
An adenovirus is a germ that can cause a sore throat, cough, or runny nose.
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Word! Anterior Cruciate Ligament (ACL) Injuries
Anterior cruciate ligament injuries damage a strong band of tissue that helps keep the knee stable.
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Word! Anorexia Nervosa
Anorexia nervosa is an eating disorder that makes people very afraid of gaining weight.
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Word! Alzheimer’s Disease
Alzheimer's disease is a condition that can make older adults have trouble remembering things.
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Word! AIDS
AIDS is a disease caused by a virus that weakens the body's immune system.
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Word! Abscess
An abscess is a collection of pus that happens sometimes when the body is fighting an infection.
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Word! Autoimmunity
Your immune system fights infections and illnesses. But sometimes the immune system makes a mistake and attacks part of the body. This is called autoimmunity.
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Word! Animal Dander
All warm-blooded animals shed tiny flakes from their skin, fur, or feathers. This is called dander.
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Word! Asthma Action Plan
Lots of stuff goes more smoothly when you have a plan - and that includes dealing with asthma.
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Word! Asthma Flare-Up
When a person has a lot of trouble with wheezing, coughing, or shortness of breath, it's called an asthma flare-up, or attack.
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Word! Allergy-Triggered Asthma
Most kids who have asthma also have some kind of allergy, too.
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Word! Allergen
An allergen is a medical word for anything that causes an allergic reaction.
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Word! Airway Obstruction
When something keeps the air from moving in and out of the airways in your lungs, it's called an airway obstruction.
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Word! Airways
The airways in your lungs are like tubes or straws.
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Word! Anemia
People who have anemia have fewer red blood cells than normal, which can make them feel tired because not enough oxygen is getting to their bodies' cells.
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Word! Astringents
If your skin is oilier than normal, you might want to use an astringent.
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Word! Astigmatism
If you take a good look at your eye, you might barely see your cornea, the clear outer covering of the eye.
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Word! Asthma
Someone with asthma can have trouble breathing because of problems with the airways, the tubes that carry air into the lungs.
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Word! Arthritis
This is what happens when joints - the places where bones meet - get painful, swollen, and stiff.
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Word! Arteries and Veins
Your body has a highway system all its own that sends blood to and from your body parts.
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Word! Anus
The anus is the opening where your bowel movements (also known as poop) come out.
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Word! Antihistamines
Antihistamines are medicines that block allergy symptoms.
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Word! Antibiotics
These awesome medicines attack bacteria that make you sick.
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Word! Anesthesia
Anesthesia is medicine that doctors give to make people feel comfortable when they're having surgery, stitches, or other things that might be painful.
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Word! Amputate
To amputate something is to cut it off.
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Word! Allergy Shots and Immunotherapy
Imagine if you were always sneezing because you were allergic to something.
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Word! Allergy
Achoo! Many things can trigger allergies, like pollen, certain animals, foods, or a bee sting.
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Word! Allergist
Allergists are special doctors who help people who are allergic to things like animals, grass, pollen, dust, and even foods.
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Word! Alignment
Alignment means to bring into line.
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Word! Alcoholism
Alcoholism means that someone frequently drinks too much alcohol (such as beer, wine, or liquor) and can't stop.
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Word! Aerobic Activity
Get ready for a workout!
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Word! Addiction
An addiction is an urge to do something that is hard to control or stop.
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Word! Acne
Acne is the name for those red bumps called pimples that a lot of kids and teens get on their skin.
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Word! Abrasion
Ever get an abrasion from falling off a bike or a swing?
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Word! Abdominals
Sometimes called abs, these are the muscles in front of your abdomen, the area below your chest and above your belly button.
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Word! ADHD
ADHD is short for attention deficit hyperactivity disorder.