Pets and pests could stave off childhood asthma
20 Sep 2017 at 7:00am
New research suggests that exposing children before the age of 3 to some pet and pest allergens can significantly lower their risk of developing asthma.

Pneumonitis: Symptoms, causes, and treatments
18 Sep 2017 at 2:00pm
Pneumonitis is a condition caused by inhaling certain substances, leading to an allergic reaction in the lungs. Learn about the symptoms and treatments.

Raw milk may prevent allergy and asthma, but is it safe?
13 Sep 2017 at 3:00pm
More people are choosing to drink unpasteurized milk. Research shows that it can reduce allergy and asthma, but raw milk can also contain deadly bacteria.

Food allergy diagnosis by oral food challenge is safe, says study
8 Sep 2017 at 2:00pm
A study of 6,327 low-risk, non-research, open oral food challenges for diagnosing food allergies found that very few resulted in allergic reactions.

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Allergies

An allergy or Type I hypersensitivity is an immune malfunction whereby a person's body is hypersensitised to react immunologically to typically nonimmunogenic substances. When a person is hypersensitised, these substances are known as allergens. The word allergy derives from the Greek words allos meaning "other" and ergon meaning "reaction" or "reactivity". Type I hypersensitivity is characterised by excessive activation of mast cells by immunoglobulin E resulting in a systemic inflammatory response that can result in symptoms as benign as a runny nose, to life-threatening anaphylactic shock and death.

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