No: Colds are caused by viruses. A fan blowing won't increase exposure to viruses. Many studies have looked at whether getting cold increases odds of catching a cold and for the most part there's little evidence of this; perhaps extreme cold may lower resistance but a fan won't cause that. See https://www.nytimes.com/2016/07/19/upshot/repeat-after-me-cold-does-not-increase-odds-of-catching-cold.html
Answered 3/15/2020
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