Myth: Going Out with Wet Hair Causes a Cold

A common belief is that going outside with wet hair can lead to catching a cold, prompting people to dry their hair thoroughly before venturing out.

Colds are caused by viruses, not cold or wet conditions. Research in The New England Journal of Medicine confirms that wet hair does not increase susceptibility to infections. Cold weather may contribute to virus spread by leading people indoors, where germs circulate more. Understanding that viruses cause colds, not temperature, can help dispel this myth.