Human bodies produce about 100 milliliters of mucus daily, primarily washed down the throat but also expelled through the nose. It has seven color categories that can indicate health issues like infections or allergies. Experts suggest that clear mucus indicates normal functioning, while color changes or increased production may signify underlying conditions. White, cream-colored, or light yellow mucus suggests a viral infection, while yellowish-green indicates a bacterial infection. Reddish or pink snot may signal a burst blood vessel in the nose. Mucus plays a crucial role in trapping dust and pathogens, supporting respiratory health.
Doctors have spent years studying the mucus - commonly called snot - and have divided it into seven color categories, which can indicate if someone has an infection, allergy or even whether they are breathing in too much polluted air.
Overall, experts said mucus should be clear in color - indicating everything is functioning normally. But should this appearance vary or the mucus start to be produced in more copious amounts, this could indicate an underlying condition.
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