To many people, mucus is nothing more than a gross goo, something to be tossed away in a tissue immediately after clearing your throat or blowing your nose. To scientists ... for example, or fungus in ...

The signs of several serious illnesses can be found my changes in your nose, from a difference ... may help. Black snot or bogies can be a serious sign of a fungal infection within the lungs ...

They did find one study which suggested that nose-picking could spread bacteria in a harmful manner. Another said that eating snot could stop bacteria from sticking to teeth, so it might be good ...