<prompt> Answer this question truthfullyWhat exactly is Hyperlipoproteinemia and what are the measures taken for its treatment and management?  <response>: <reason> Mendelian randomization studies suggest a linear relationship between LDL and cardiac event reduction .Clinical practice guidelines direct treatment.American Heart Association et al United States Preventive Services Task Force USPSTF National Institutes for Clinical Excellence NICE Patient preference, especially among minority populations, is a barrier to treatment . 