Coughing up phlegm or sneezing out green snot is par for the course when you’re battling a cold. But revolting as they are, these gooey substances do reveal important clues about your health. Daily Express :: Health Feed
Read More »Coughing up phlegm or sneezing out green snot is par for the course when you’re battling a cold. But revolting as they are, these gooey substances do reveal important clues about your health. Daily Express :: Health Feed
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