Reviewed by medical experts • For informational purposes only
Cold viruses spread through hands and close indoor contact - and the honest truth about cold weather, wet hair, sleep and stress.
A cold is caused by viruses - full stop. Not by cold weather, wet hair, or cold drinks, however firmly grandmothers disagree. Understanding the real causes shows what actually spreads it and what merely feels like it should.
Cold weather does not cause colds - viruses do. But winter genuinely helps them: people crowd indoors with closed windows, dry heated air dries the nose's protective mucus, and some cold viruses multiply slightly better in cooler nasal passages. So winter colds are real; the shiver-did-it explanation is not.
Colds come from 200+ viruses spreading through hands, surfaces and close indoor contact - winter, poor sleep, stress and smoking raise the odds, but cold weather itself infects no one.
Written By
Dr. Daksh
BDS
Reviewed By
Dr. Varun Gupta
MD Pharmacology, MBBS
Last updated on
27 Sep 2022 • 06:23 PM (IST)
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