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The common cold primarily targets the nasal passages, where the virus attaches to the epithelial cells lining your nose. Upon infection, these cells trigger an inflammatory response - your body's natural defense mechanism. This inflammation causes the blood vessels in your nasal lining to dilate and become more permeable, leading to that stuffy feeling as tissues swell.

Your nose also increases mucus production significantly. This sticky secretion serves two purposes: trapping viral particles and helping flush them out of your system. While annoying, this extra mucus is actually your body's cleaning crew at work.

The infection also damages ciliated cells - tiny hair-like structures that normally sweep debris away. With compromised cilia, mucus tends to accumulate, creating the perfect environment for secondary bacterial growth. This explains why colds sometimes progress to sinus infections if the drainage remains blocked for too long.

The good news is that your nasal epithelium regenerates quickly. With adequate rest and hydration, most people see complete recovery of their nasal lining within 1-2 weeks as new, healthy cells replace the damaged ones.

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Hospital419ru

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4mo ago

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What part of your body does a cold affect?

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