How Humans Caused Our Own Allergies - Cheddar Explains

Sniffling. Sneezing. Runny eyes. Springtime brings a rush of seasonal allergies that plague us - but historically, allergies were mild - if they existed at all. In fact, allergies became a force to be reckoned with only in the 1970s. Cheddar explains how we’re to blame for our own allergies.
Further Reading:

1: Atlas Obscura
https://www.atlasobscura.com/articles...

2: Nature
https://www.nature.com/articles/35037000

3: Encyclopedia Brittanica
https://www.britannica.com/science/Du...

4: Tree Clinic
http://www.treeclinic.co.uk/

5: Scientific America
https://blogs.scientificamerican.com/...

6: Science Direct
https://www.sciencedirect.com/topics/...


Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe

Connect with Cheddar!
On Facebook: http://chdr.tv/facebook
On Twitter: http://chdr.tv/twitter
On Instagram: http://chdr.tv/instagram
On Cheddar.com: http://chdr.tv/cheddar