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.
June 29, 2015. Deemed good cholesterol, high-density lipoprotein, or HDL, has earned a reputation as a guardian of cardiac health, countering the damage caused by other lipids, chief among them low-density lipoprotein, or bad cholesterol. Indeed, a number of studies over the past few decades have demonstrated the benefits of higher HDL levels, highlighting HDL's ability to mop up bad cholesterol from the walls of blood vessels -- the chief culprit in heart attacks and strokes.