If your body overreacts to things that don’t seem to bother other people, then you know you have an allergy. For example, if your living room curtains are being dusted and only you start sneezing and find it tough to breathe, you know you have dust allergy. Dust, pollen, animal hair, and certain kinds of grasses – these things can cause allergies in some people and are known as allergens. More…
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