martes, 8 de octubre de 2019

Allergies, asthma, and pollen : MedlinePlus Medical Encyclopedia

Allergies, asthma, and pollen : MedlinePlus Medical Encyclopedia

In people with allergies and asthma symptoms can be triggered by breathing in substances called allergens or triggers. It is important to know your triggers because avoiding them is your first step toward feeling better. ow.ly/DVLS30pGxRC

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