Diseases, Conditions, Syndromes

Out of Africa: What is an allergen?

Some fundamental questions in allergy remain unanswered. Among them are ‘What exactly is an allergen?’ and ‘Why is the immune response so similar to that against parasitic worms?’ Researchers are examining ...

Immunology

Easing your child's allergies

(HealthDay)—Up to 40 percent of children in the United States have nasal allergies, the U.S. Food and Drug Administration says.

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