Science Behind The News: Allergies

The video discusses the impact of warmer temperatures on allergy seasons, explaining how early blooming of plants leads to increased pollen production, which affects over 40 million Americans. It details the biological mechanism of allergies, highlighting the role of histamines and the immune response. The video also explores the influence of genetics and environmental exposure on allergies and warns of longer, more severe allergy seasons due to climate change.

What is one of the main reasons for the early start of allergy season?

• Longer daylight hours

• Higher humidity

• Warmer temperatures

• Increased rainfall

What substance do plants produce that can cause allergic reactions in some people?

• Nectar

• Sap

• Pollen

• Chlorophyll

Which cells in the body mistakenly identify allergens as harmful?

• Neurons

• Red blood cells

• Lymphocytes

• Platelets

What is a common symptom caused by the body's release of histamines?

• Fever

• Runny nose

• Cough

• Headache

What factor, besides genetics, can increase the likelihood of developing allergies?

• Physical exercise

• Sleep patterns

• Environmental exposure

• Dietary habits