They may also: 1  Have a combination of skin, hair, and eye color that is outside the range for humans. 2  Some different preferred environment to humans (e.g. mountains, caves, tundra, deep forest). 3  Some sort of crafting/building ability. Lots of dwarves have this trait. 4  Be Always Chaotic Evil, Always Lawful Good, etc.
Chronic forms of sinusitis are also thought to potentially be a cause of the condition. Whatâs most important to understand about black mucus in nose areas is that it is not normal. There is something that is causing the change in hue in the protective goo.
Smokersâ lungs are black. The black color is because every time you inhale a cigarette, it deposits tar in your lungs. Over time and after smoking lots of cigarettes every day, enough tar deposits build up inside the bronchioles until it is distributed throughout the entire lungs.