Nutrition basics
Learning Center
Anaphylaxis
Anaphylaxis, a severe allergic reaction, is an emergency. Learn who's at risk, what to watch for and what to do when it occurs.
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Monosodium glutamate (MSG): Is it harmful?
Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
Childhood asthma
The lungs and airways of children with asthma become inflamed, interfering with daily activities. Some children can have dangerous attacks.
Mold allergy
Coughing, sneezing and itchy eyes often accompany this common allergy. Find out how to treat this condition and help keep it under control.
Hirschsprung's disease
This digestive disorder that's present at birth affects the nerves in the colon. It causes severe constipation but can be treated.
Ear infection (middle ear)
These usually get better on their own, but sometimes medicine is needed. Find out more about how doctors diagnose and treat this common ear condition.
Sore throat
Find out what causes this common affliction, when to see a doctor and what you can do to get relief from a sore throat.
Swimmer's ear
The moist environment from water remaining in your ear after swimming or bathing can lead to this infection in the outer ear canal.
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