Cancer Homeopathy Clinic In India

SCIATICA

Allergies are the response from the immune system or the defence system which reacts to substances such as dust, pollen, mites, and some eatables. These substances does not cause any harm in most of the people. But few react to it in an abnormal way when exposed to. The reaction is called an allergic reaction. The substances which cause or trigger such reactions are called as Allergens.

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