Meaning and Origin Recorded as Larn, Larne, Larner, Lardner, and Lerner, this is usually a surname of English origins. It has at least three possible sources, each with its own distinct derivation. Firstly it may be an early medieval English occupational surname for a scholar or a schoolmaster, derived from the Olde English pre 7th Century word leornian.
HDL (Good) Cholesterol. HDL cholesterol is considered âgoodâ cholesterol because it helps remove LDL cholesterol from the arteries. Experts believe HDL acts as a scavenger, carrying LDL cholesterol away from the arteries and back to the liver, where it is broken down and passed from the body.ne-fourth to one-third of blood cholesterol is carried by HDL. A healthy level of HDL cholesterol may also protect against heart attack and stroke, while low levels of HDL cholesterol have been shown to increase the risk of heart disease.
What Makes HDL Cholesterol so Good? HDL is short for high-density lipoprotein. Each bit of HDL cholesterol is a microscopic blob that consists of a rim of lipoprotein surrounding a cholesterol center. The HDL cholesterol particle is dense compared to other types of cholesterol particles, so it's called high-density.