It’s the season for sneezin’!
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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 toallergies. 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.
Hygiene hypothesis: http://en.wikipedia.org/wiki/Hygiene_hypothesis
Spread of allergies in developed nations: http://www.nature.com/nature/journal/v479/n7374_supp/full/479S2a.html
TGF-beta and allergies: http://bit.ly/1HXjm05
Microbiome and allergies: http://www.bbc.com/news/health-28934415
Gut microbes and peanut allergy in mice: http://news.sciencemag.org/biology/2014/08/gut-microbe-stops-food-allergies
Have an idea for an episode or an amazing science question you want answered? Leave a comment below!
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It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D.
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Produced by PBS Digital Studios: http://www.youtube.com/user/pbsdigitalstudios
Joe Hanson - Creator/Host/Writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen Inc.
Kate Eads - Associate Producer
Andrew Matthews - Editing/Motion Graphics/Animation
Katie Graham - Director of Photography
John Knudsen - Gaffer
Dalton Allen - Post-Production Intern
“Ouroboros” by Kevin MacLeod
Other music via APM
Stock images from Shutterstock, stock footage from Videoblocks
Last week’s video:
How Many Stars AreThere? https://www.youtube.com/watch?v=vh8-ZUIX_1o
Why Does February Have 28 Days? https://www.youtube.com/watch?v=AgKaHTh-_Gs
Why Vaccines Work https://www.youtube.com/watch?v=3aNhzLUL2ys
Why Are Some People Left-Handed? https://www.youtube.com/watch?v=NPvMUpcxPSA
Where Does theSmell of Rain Come From? https://www.youtube.com/watch?v=lGcE5x8s0B8