You don't say? Why does your nose run in cold weather?
Having the sniffles in winter does not automatically mean you’re sick. It’s often a sign your nose is doing its job. The nose heats up and moisturizes air before it enters the lungs. Bones in the nose are covered with blood-filled membranes. These membranes sit behind the nasal cavities, and the blood flow keeps the space warm.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online Plus (HHO+) to unlock expert-backed health insights, personalized tools, and exclusive resources to feel your best every day.
Here’s what you get with your HHO+ membership:
- Unlimited access to all Harvard Health Online content
- 4 expertly curated newsletters delivered monthly
- Customized website experience aligned to your health goals
- In-depth health guides on topics like sleep, exercise, and more
- Interactive features like videos and quizzes
- Members-only access to exclusive articles and resources
I’d like to subscribe to HHO+ for $4.99/month to access expert-backed content to help make smart, informed decisions about my well-being.
Sign Me UpAlready a member? Login ».
About the Author
Matthew Solan, Executive Editor, Harvard Men's Health Watch
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
