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News » Allergies not the same as intolerances
 

Allergies not the same as intolerances

Allergies and adverse reactions or intolerances are often interchanged wrongly. An allergy involves the body’s immune system reacting to an allergen which is normally not a harmful substance. The immune response produces antibodies which results in a body reaction. An intolerance doesn’t involve the immune system but is an extreme sensitivity to a substances including drugs and food. Intolerance reactions are often delayed whereas allergies are instantaneous. Food intolerances such as lactose intolerance are caused by a lack of digestive enzyme. The term sensitivity can be used to describe both allergy and intolerance.

Source: summary of medical news story as reported by About Allergies

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Article Source Details

About: Allergies not the same as intolerances

Date: 17 November 2004

Source: About Allergies

Author: Judy Tidwell

URL: http://allergies.about.com/cs/basics/a/aa091701a.htm

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