When healthy people without symptoms get a full-body MRI scan, doctors often find weird little things that aren’t actually harmful—but those findings can lead to more tests and stress that might not be needed.

Getting a full-body MRI often finds weird little things that aren’t actually a problem, which can lead to more tests and stress — but we don’t yet know if all this causes more harm than good.

Using a full-body MRI scan on people who feel fine can sometimes find hidden health problems they didn’t know they had—and some of those problems might need a doctor’s attention.

When people who feel fine get a full-body MRI scan, they often find weird little things that aren’t cancer—but those weird finds happen more often than actual cancers are discovered.

When healthy people without symptoms get a full-body MRI scan, about 1 in 3 people end up with some unexpected finding on the scan — and almost 6 out of 10 of those surprises don’t clearly mean anything medically important.

Using a full-body MRI scan on people who feel fine can find hidden health problems that doctors might need to treat—before those people start feeling sick.