How do anti-allergen drugs work?

How do anti-allergen drugs work?On contact with an allergent, chemical substances are released from mast cells and basophils. The chemical mediators (e.g. histamines) in turn attach themselves on to H-1 receptors to produce allergic effects. Anti-allergen drugs block these chemical mediators. The drugs also produce down regulation of H-1 receptors.

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When do animals become mutants?

Animals are said to be mutants when they show characteristics different from the rest of …

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