Why OAS Food Issues Are Linked To Your Seasonal Pollen Allergy bejo 6909 Share Why OAS Food Issues Are Linked To Your Seasonal Pollen Allergy Ask the dietitian: Oral allergy syndrome / Pollen food allergy syndrome ... Pollen food allergy syndrome (PFAS) - Food Allergy Canada Read also: The Acid Effect Of What Happens If You Eat Too Many Tomatoes