A new cluster of companies is marketing whole-body MRI scans to healthy individuals as a way to detect early signs of cancer and other ailments before they become serious. These scans, offered by startups like Prenuvo, cost between $1,000 to $2,500 and are not covered by insurance. Proponents argue that these consumer-driven medical scans represent the next step in preventive medicine, with high-profile endorsements from celebrities like Kim Kardashian boosting their popularity.
However, many medical experts caution that these scans may cause unnecessary worry and treatment, driving up healthcare costs without proven benefits. MRI scans, which use magnetic fields to produce detailed body images, are typically recommended for diagnosing specific conditions in high-risk individuals. Full-body scans can detect numerous conditions but often flag benign issues that lead to additional tests and potential psychological stress.
The American College of Radiology does not endorse routine MRI screenings for asymptomatic individuals, citing a lack of evidence for their effectiveness in prolonging life. Despite this, companies like Prenuvo continue to promote their scans as proactive health measures, with customers consulting company-employed nurses or physicians to discuss results. While some imaging practices have evolved from experimental to standard use, experts remain skeptical about the broad application of preventive MRI scans.