How to prevent a cold? Don’t bother with the folklore strategies your parents promoted - The Washington Post

“Don’t go outside with wet hair, you’ll catch a cold!” “Take vitamin C to ward off the sniffles.” “Stay inside during cold season.”

Chances are, you’ve heard these words of advice before, probably from your parents when you were little. Indeed, a survey published last week, shows that many parents have tried these strategies to keep their kids from getting sick — even though little evidence exists that they work.....
https://www.washingtonpost.com/national/health-science/how-to-prevent-a-cold-dont-bother-with-the-folklore-strategies-your-parents-promoted/2019/01/25/fee5db66-1f56-11e9-8e21-59a09ff1e2a1_story.html