Christmas tree syndrome' and 3 other reasons for your runny winter nose
Fake trees can cause Christmas tree syndrome allergic reaction
What is 'Christmas tree syndrome?' Yes, the holiday illness is real.
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What Type of Christmas Tree is Best for Allergies
This northeast PA city is among America's worst for allergies
Food Allergy & Anaphylaxis
Christmas Tree Allergies: Everything You Need to Know - GoodRx
Best Christmas Tree for Allergies: 3 Types for You
What is a Christmas tree allergy? : Nadia Caballero, M.D.: Sinus Specialist