By A Mystery Man Writer
Phlegm comes in many colors and can be an important indicator of what is happening when someone produces it from their lungs or respiratory tract. Learn here about the different types of phlegm.
Everything You Ever Wondered About Mucus and Phlegm - Cold and Flu Center - Everyday Health
What is a Chest Cold
Coughing Up Green or Yellow Phlegm
Phlegm Cheat Sheet: Recognizing Normal and Concerning Colors and Consistencies
Phlegm - Wikipedia
Timothy Phlegm Facebook, Instagram & Twitter on PeekYou
Coughing up Brown Mucus, Causes for Different Phlegm Colors
Coughing Up Phlegm: Causes and Treatment
What Does the Color of My Phlegm Mean?
Timothy Phlegm Facebook, Instagram & Twitter on PeekYou