%$?# Allergies!
Season 3 Episode 23 | 4m 44s
Learn why we get allergies and how our immune system turns against us to attack pollen.
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it’s also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week’s video, you’ll learn why we get allergies, how our immune system turns against us to attack pollen and pets, and why allergies seem to be on the rise in developed nations.
From
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
%$?# Allergies!
Season 3 Episode 23 | 4m 44s
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it’s also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week’s video, you’ll learn why we get allergies, how our immune system turns against us to attack pollen and pets, and why allergies seem to be on the rise in developed nations.
From
Problems playing video? | Closed Captioning Feedback
Where to Watch Be Smart
Be Smart is available to stream on pbs.org and the PBS app.
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
Support for PBS provided by: