yellow mucus vs green mucus?Advertisement
Clear Nasal Discharge Vs. Yellow Discharge. The color of nasal discharge fluctuates from clear to yellow and sometimes green, and is an indicator of what is happening in the body. Mucus is the body's first-line defense against viral invaders as well as the janitor. - read more
WebMD explains the function of mucus, what happens when you overproduce mucus, and why mucus may change color. - read more
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