When you’re sick you’ll often produce more phlegm, and might notice it’s thicker or a different colour: white, green, yellow or maybe even brown. What can this phlegm – also called mucus, snot, sputum, catarrh and booger – really tell us about our health? Here’s what to look for, and when to see a doctor. What is phlegm? We all …
Read More »Does yellow mucus mean you need antibiotics? What phlegm can – and can’t – say about your health
