It’s that time of year when many people have runny noses and are “a bit snotty.” Snot can be many colors – clear, yellow, green, white, red, brown, or black, as per the report by The Sun. Watching its ...

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, ...