Why does our body produce snot/congestion when we have a cold?
In: Biology
**Long Answer:** When you have a cold, the viruses trigger a form of your body’s defenses called histamines. These histamines are meant to make it easier for white blood cells to pass through blood vessels and capillaries to combat germs/pathogens (they’re pretty much clearing a path for the body’s “army” to combat the invaders). This has the side effect of inflaming your nasal passages and producing more, thinner mucus.
**Simplified ELI5 Answer:** Basically, your body tries to defend itself from invaders, but in the process causes collateral damage, leading to your once dry nose and countless tissues being filled with mucus.
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