El sistema inmunológico reacciona contra sustancias extrañas que entran en el ...
As the pollen season approaches, sinus infections become common place and are a ...
An allergy is a reaction by the human immune system to anything that is not supp...
The role of the body's immune system is to fight bacteria and other disease-caus...
Allergies are hypersensitive immune responses to foreign substances like pollen,...
Have you ever pondered over the connection between your allergies and your sinus...
The immune system reacts against foreign substances that enter the human body. T...
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