Scientists Finally Prove Why Cold Weather Makes You Sick

New research reveals that cold weather makes it harder to fight off a cold infection.

https://www.pbs.org/wgbh/nova/article/scientists-finally-prove-cold-weather-makes-sick/?utm_source=FBPAGE&utm_medium=social&utm_term=20181025&utm_content=1845823755&utm_campaign=NOVA+Next&linkId=58612040