This He Allergy Causes
When a person experiences abnormal effects of a substance while others did not, he might have a specific allergy. Recognize some common allergens.
Some people become ill if they come into contact with substances that may have no effect for others. The disease arises due to allergies, abnormal immune systemresponse against foreign substances.
Someone said to have allergies if their immune system reacts abnormally to substances that have no effect for most people. The man was said to have allergies tothese substances and have an allergic reaction.
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