NATS 1670 Study Guide - Midterm Guide: Peanut Allergy, Oral Allergy Syndrome, Allergen Immunotherapy

• School: York University
• Department: Natural Science
• Course: NATS 1670
• Professor: Motti Anafi

Document Summary

Sc/nats1670 concepts in human health and disease. Abnormal sensitivities to antigens( ) in the environment. Allergen are antigens that cause allergies ex. There"s a balance between infection and immunity; the balance is where there is no disease, more infection = strong infection more microbes( / . )virulence( ), more immunity = strong immunity, host defense mechanisms( ) Immunoglobulin( ) e (ige) type of antibodies originally evolved to defend humans and animals against parasites like certain worms; also known as allergic antibody. There are 2 types of allergies seasonal and chronic( ) Pollen is a type of seasonal allergy. Pollen is very fine powder that comes from trees, grasses, flowers and weeds. Wind and birds carry this pollen from plant to plant to fertilize them. When people who have a pollen allergy inhale the pollen, they get allergy symptoms and people can be allergic to different types of pollen. Dust mites are found everywhere (considered chronic)