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.
1 doctor agreed: HDL good, LDL bad: High density lipoprotein cholesterol (HDL) is protective and low density lipoprotein cholesterol (ldl) is a risk factor for heart disease. Total cholesterol is more or less a sum of these two values plus a contribution from triglycerides. See this site for more info.