Answer:
Approximately about 35% of adult men have low values of HDL(40mg/dl or less).
Step-by-step explanation:
Low levels of high-density lipoprotein cholesterol
Low HDL is is link with high triglycerides and lipoprotein levels.
Men with low HDL have high risk of heart disease. Smoking, lack of physical exercise, diets and carrying heavy load can cause low HDL.
The US National Cholesterol Education Program (NCEP) Adult state the low HDl level that causes coronary heart disease and if is around 40 to 60mg/dl it is good for men, but lower than 40 make the man be high risk of heart diseases.