Tag Archives: mucus

Our ancestors are known to have gotten frisky with other, now-extinct species of humans, leaving traces in our DNA to this day. A new analysis has found that a certain genetic variant inherited from the Denisovans may have given modern humans (Homo sapiens) an edge in populating the American continents. “Typically, genetic novelty is generated through a very slow process,” …

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 …