High-density lipoproteins are one of the five major groups of lipoproteins.
For normal functioning of the body the level of HDL should be:
HDL or High-Density Lipoprotein : 40 - 60 mg/dL ( Good cholesterol )
You should aim to have HDL levels between 40 and 60 mg/dL.
HDL (good cholesterol) fights LDL (bad cholesterol), It helps remove other forms of cholesterol from your bloodstream.
Normal level of HDL is 40 - 60 mg/dL . Low level of HDL cholesterol is associated with risk of heart disease.
HDL is a part of total Cholesterol count in the body.
Smoking and lack of physical activity tend to low your HDL level.
Your genetics can affect your cholesterol levels.
Change your lifestyle, do exercises, avoid packed and fried foods, follow fiber rich diet to improve your HDL level - Reducing your weight can help raise your HDL and lower your LDL cholesterol levels.