Mucus, a watery secretion produced by your body, can vary in color. While it’s typically clear, it may change color when you’re sick. But can you diagnose a disease just by observing the color of your mucus? Not really.
While it’s true that specific diseases or chronic conditions may be linked to particular mucus colors, various factors—like infections, allergens, inflammation, lung diseases, smoking, and exposure to cold air or air pollution particles—can bring about changes in color. Therefore, doctors depend on other clues for an accurate diagnosis.■
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