A.airborne pollen
B.ingested fruits and berries
C.skin contact with weeds
D.cotton clothing

glasgow celtic

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2 Responses to “Most Of The Problems Associated With Hay Fever Are Caused By?”
  1. Peter S says:

    A.airborne pollen.

  2. Andrea F says:

    A. airborne pollen. Immunoglobulin E, a protein made by the immune system, sees these substances as “foreign” and marks them for a histamine response. Histamine is released and causes the traditional symptoms of hay fever. Other allergic reactions are related to this response.

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