Molecules called lipoproteins carry cholesterol in the blood. Two important kinds of lipoproteins are low-density lipoprotein (LDL) and high-density lipoprotein (HDL). When checking LDL and HDL, doctors often include another type of fat called triglycerides. 1  Total cholesterol is a measure of the total amount of cholesterol in your blood and is based on the HDL, LDL, and triglycerides numbers. 2  LDL cholesterol makes up the majority of the bodyâs cholesterol.
Is your yellow nasal discharge light or dark? A dark yellow mucus can indicate a sinus infection (but again is not necessarily so) while a light yellow mucus can be produced by dry air and a thick yellow mucus can indicate the presence of a cold that requires one to drink more water.
Mucus is normally clear and watery, but it can also change its colour during an infection. The colour changes can vary or it may change from clear to cloudy, yellow, green, brown, red, or black. Any change in mucus colour is usually a sign of a health problem or infection developing within the body. White Mucus. Clear mucus is a sign of good health. When the body begins to produce excessive mucus which is white in colour it indicates a health problem.