Allergy Yesser Falk Allergy Yesser Falk

Understanding Allergies: Causes, Symptoms, and Treatment

Allergies are an immune system response to substances that are usually harmless, such as pollen, pet dander, dust mites, or certain foods. In people with allergies, the immune system mistakenly identifies these substances as threats, triggering a range of symptoms that can vary from mild to severe

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