You've had the blood test. The letter or app notification says everything is "normal." And yet you're still tired by 3pm, still not sleeping properly, still not quite yourself. If that sounds familiar, it isn't a sign that anything was done wrong , it's a sign that GP testing and personalised testing are simply designed to answer different questions. Understanding that difference starts with what "normal" actually means on a lab report. "Normal" is a statistic, not a health t