@CNN: Between 50 and 90% of people get a runny nose when it’s cold. Here’s why: https://t.co/EPsdsO6SwJ https://t.co/4Sen4vAmKS
Between 50 and 90% of people get a runny nose when it's cold. Here's why: https://t.co/EPsdsO6SwJ http://pic.twitter.com/4Sen4vAmKS
— CNN (@CNN) December 13, 2017