asked 160k views
2 votes
What happens when a person who is allergic to ragweed encounters ragweed?

1 Answer

4 votes
Ragweed antigens bind ragweed and then bind mast cells which release histamine

Allergies develop because of a Th2 response against the allergen.

answered
User Imre L
by
8.5k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.