Seasonal allergies are the worst.
Video by Gina Barton and Liz Scheltens
Millions of Americans suffer from seasonal allergies. There isn’t a clear-cut answer as to why some people have them while others don’t but scientists do have one particular theory. The hygiene hypothesis is the idea that excessively sterile environments are contributing to the development of allergies, asthma, and other autoimmune illnesses. Kids in wealthy countries lack exposure to allergens and other germs that aid in developing a healthy and functioning immune system. While the hygiene hypothesis isn’t the definitive answer to seasonal allergies, it is a starting point.
Read more on seasonal allergies and the hygiene hypothesis:
Subscribe to our channel! http://goo.gl/0bsAjO
Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com to get up to speed on everything from Kurdistan to the Kim Kardashian app.
Check out our full video catalog: http://goo.gl/IZONyE
Follow Vox on Twitter: http://goo.gl/XFrZ5H
Or on Facebook: http://goo.gl/U2g06o
Tagged under: vox,current news,seasonal allergies,spring,hygiene hypothesis,clean,home,sterile home,farm,vaginal birth,yogurt,probiotics,health,science,hygiene,cleanliness,allergies,flowers,plants,pollen,trees,sick,sneeze,dirt,mud,ragweed,baby,childhood,siblings,fecal matter,triclosan,antibacterial soap,hand wash,doctor,toilet,immune system,histamine,bacteria,hand gel,immunity,kids,kids playing,theory,mast cells,white blood cells,hay fever,allergic rhinits,grass,stop motion
Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip
Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans
1. Students enter a simple code
2. You play the video
3. The students comment
4. You review and reflect
* Whiteboard required for teacher-paced activities
Carry out a quickfire formative assessment to see what the whole class is thinking
Create interactive presentations to spark creativity in class
Student teams can create and share collaborative presentations from linked devices
Turn any public video into a live chat with questions and quizzes