A social media post by neuroscientist and podcaster Andrew Huberman about his experience with a full-body MRI has renewed debate over whether healthy adults benefit from broad imaging scans that are marketed as a way to find disease before symptoms appear.
Huberman described receiving reassuring results, including no tumors, while also learning about findings such as a bulging spinal disc and a brain spot characterized as benign. Supporters of the scans say that discovering a serious condition early may give patients more treatment options and that MRI does not expose people to ionizing radiation.
Medical organizations caution that those potential benefits have not been established for average-risk people without symptoms. The American College of Radiology says there is insufficient evidence to recommend total-body MRI screening for patients who lack symptoms, risk factors or a family history suggesting serious disease. It also says there is no documented evidence that the practice prolongs life or is cost-effective.
A scan can find cysts, nodules and other abnormalities that may never cause harm. Those incidental findings can lead to anxiety, additional imaging, biopsies and other procedures. A normal result can create a different problem if patients assume it replaces proven screening such as mammography, colonoscopy or cervical cancer testing.
Whole-body MRI can be appropriate for certain patients, including people with some inherited cancer syndromes or patients being monitored for cancers that commonly spread to bone. Those uses are guided by a person’s diagnosis and risk profile rather than offered as a general wellness test.
People considering a commercial scan should review their family history, symptoms and recommended preventive care with a licensed clinician. They should also ask what the scan can miss, who will interpret it and how unexpected findings will be evaluated. Most insurers do not cover elective whole-body screening.
Sources: USA Today, American College of Radiology and American Cancer Society. Published Aug. 5, 2026.
