Nasal mucus alone isn’t typically used to diagnose disease, but it can be a helpful tool to determine what’s happening in your nasal passages. Here’s a quick look at just a few of the things the various possible shades of snot might mean for your health. A special thank you goes out to otolaryngologist Raj Sindwani, MD, Cleveland Clinic Head & Neck Institute, who checked our facts (and kept our noses clean).
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