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 ...

When the U.S. wrestler and actor Dwayne “The Rock” Johnson was in his prime, his Body Mass Index (BMI) was around 33 kg/m², technically ‘obese’ by World Health Organization (WHO) standards. Yet no one ...