Almost 25 million adults in the U.S. have high cholesterol, which puts them at a higher risk for a heart attack or stroke in ...

Laboratory reference ranges reflect methods, populations, and policies, and experienced clinicians interpret them in context rather than applying fixed cutoffs theoretically.

Your doctor says everything looks fine, but you still feel terrible. The problem might not be your health but how labs define “normal.” Understanding the difference between normal and optimal could ...

For years, heart health conversations have focused on familiar numbers: LDL, HDL, and triglycerides. These markers appear in almost every routine cholesterol report. Yet cardiologists say an important ...

One of my patients complained that clinicians “are making the whole country sick. Everyone is abnormal.” Laboratories don’t report values based on the normal curve anymore. Instead, a normal level is ...

Whether significant reductions in LDL cholesterol and serum triglyceride levels will lead to significant reductions in coronary mortality when starting lipid values are "normal" is a multifaceted ...