Preventive medicine is one of the most powerful tools we have to extend life and improve quality of life. But there’s a growing problem: more testing is not always better . In fact, over-screening can lead to unnecessary anxiety, invasive procedures, and even harm—without improving outcomes. As a physician focused on prevention and longevity, I see this confusion every day. Patients are increasingly asking about full-body MRIs, advanced biomarker panels, and executive checkup