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 ...

Although clinicians understand the importance of reference ranges for the interpretation of laboratory results, they may not consider that a borderline result outside the analytically valid reference ...

If you’re waiting for lab test results to come back or you’re trying to figure out what they mean, the process and all those medical terms and numbers can be confusing. There are thousands of lab ...