TED-Ed: Why do people have seasonal allergies? - Eleanor Nelsen

The video explains seasonal allergies, their symptoms, and the immune system's role in causing them. It discusses how genetics and environment influence allergy development, including theories like the hygiene hypothesis. Common allergens and severe reactions like anaphylaxis are covered, along with treatment options such as medications, immunotherapy, and unconventional methods like hookworms.

Explain the role of the immune system in seasonal allergies.

What are the common symptoms experienced by individuals with seasonal allergies?

What factors may contribute to the development of allergies in individuals?

Describe the hygiene hypothesis and its relation to allergies.

What are some common allergens that can trigger allergic reactions?

How can medications help alleviate allergy symptoms?

What is immunotherapy and how does it work for treating allergies?