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 ...

Fluid and electrolyte balance is a cornerstone of nursing care, impacting everything from heart rhythms to mental status. Knowing how to recognize imbalances and interpret lab values can save lives in ...

Labs calculate normal by testing everyone who walks through the door, including patients with undiagnosed conditions and chronic diseases. The middle 95 percent becomes the reference range, whether ...