Full-Body Scans: Expert Insights on Benefits and Risks

Full-body MRI scans are increasingly marketed as a proactive health measure, yet major medical organizations and individual physicians remain divided on their clinical value. While providers like Prenuvo and Ezra promote the screenings as a “virtual physical” for early disease detection, the FDA and the American Academy of Family Physicians (AAFP) maintain that there is no scientific evidence demonstrating that screening asymptomatic individuals provides more benefit than harm.

The Rising Demand for Preventive Body Scans

Interest in full-body screenings has surged as high-profile figures, including Kim Kardashian, Paris Hilton, and former “Bachelor” contestant Josh Seiter, have publicly shared their experiences with the technology. These scans typically utilize MRI, CT, or PET technology to identify potential health markers such as cancer, aneurysms, or infections before physical symptoms appear.

Dr. Daniel Durand, chief medical officer at Prenuvo, describes the process as a more comprehensive alternative to standard annual physicals. According to Durand, the scan collects extensive health data that is analyzed by two licensed providers to offer patients actionable guidance. In a sample of over 1,000 patients followed over one year, Prenuvo reported that 2.2% of participants were diagnosed with pathologically-proven cancer, most of which were in early stages.

Did you know?
Research published in 2020 indicated that imaging abnormalities are expected in approximately 95% of screened subjects. This high rate of findings is a primary reason many physicians express caution regarding the potential for overdiagnosis.

Medical Concerns Regarding Overscreening and False Positives

Despite the promise of early detection, many medical professionals advise against widespread use of these scans for healthy, asymptomatic individuals. Dr. Marc Siegel, a clinical professor of medicine at NYU Langone Health and a Fox News senior medical analyst, argues that these scans are frequently oversensitive. He warns that patients may be inclined to pursue every positive finding, even if the clinical significance is low.

Dr. Mikhail Varshavski, a primary care physician in New Jersey, echoes these concerns, noting that the primary risks include false positives, overdiagnosis, and the potential for unnecessary medical interventions. Furthermore, he points to the psychological impact, stating that the scans may increase health-related anxiety in patients, especially when they are presented with incidental findings that may not require treatment.

Insurance Coverage and Financial Barriers

The cost of a full-body scan can reach up to $2,500, a price point driven by the fact that most insurance plans do not cover the procedure for asymptomatic patients. According to Dr. Varshavski, coverage is generally withheld due to a lack of documented clinical benefit versus harm, though some exceptions may exist for patients with high-risk genetic syndromes.

Prenuvo’s leadership acknowledges these hurdles and is currently engaged in research studies aimed at providing a foundation for future insurance reimbursement. However, the FDA has cautioned that before undergoing such procedures, patients should carefully investigate the risks and benefits and consult with their primary physician.

Future Trends in Personalized Diagnostics

The landscape of diagnostic medicine is shifting toward more personalized approaches. Dr. Siegel suggests that the future of healthcare lies in directed workups that integrate genetic testing and artificial intelligence, rather than broad, full-body screening protocols. As these technologies evolve, the focus is expected to remain on how to best identify high-risk patients without subjecting the general population to the risks of overtreatment.

Pro Tip:
Before booking a private screening, ask your primary care physician for a risk assessment based on your family history and specific health markers. This can help determine if a targeted test is more appropriate than a full-body scan.

Frequently Asked Questions

Do full-body MRI scans use radiation?

MRI scans do not use ionizing radiation. However, other types of full-body screenings, such as CT scans, do involve radiation exposure, which the FDA notes is a factor to consider when evaluating the benefits versus risks for asymptomatic patients.

Why don’t insurance companies cover these scans?

Most insurers do not cover full-body scans for healthy individuals because there is a lack of clear clinical evidence showing that broad screening improves long-term health outcomes compared to the risks of false positives and overtreatment.

Are these scans recommended for everyone?

Major medical organizations, including the American Academy of Family Physicians, generally recommend against whole-body screening for asymptomatic individuals. Patients should consult their doctors to determine if diagnostic imaging is necessary based on their specific medical history.


Have you discussed preventive imaging with your doctor? Share your thoughts or questions in the comments section below to join the conversation on the future of personalized healthcare.

Why Full Body MRI Scans Are a Dangerous Waste of Money for Most People

Leave a Comment