The xlt is simply a trim package designation Ford used. It was used on the trucks and SUV's only. It is, generally speaking, the highest level of creature comforts offered on them with the exception of the Eddie Bauer package. The xlt is simply a trim package designation Ford used. It was used on the trucks and SUV's only.
Hypercholesterolemia (also spelled hypercholesterolaemia also called dyslipidemia) is the presence of high levels of cholesterol in the blood. It is a form of  hyperlipidemia  (elevated levels of lipids in the blood) and hyperlipoproteinemia (elevated levels of lipoproteins in the blood).
Familial hypercholesterolemia is an inherited condition that causes high levels of LDL (low density lipoprotein) cholesterol levels beginning at birth, and heart attacks at an early age. Cholesterol is a fat-like substance that is found in the cells of the body. Cholesterol is also found in some foods.