Using whole-body MRI to check healthy people without any symptoms isn't like regular screenings because it's unlikely to find serious problems, and many diseases just can't be seen well with this scan.

We don’t have enough solid proof yet to say that scanning the whole body with MRI helps healthy people find problems early or saves money.

Using whole-body MRI to screen everyone for cancer isn't a good idea right now because it often misses cancers, finds too many harmless things that cause worry, isn't done the same way everywhere, and we don't know if it actually helps people live longer or healthier lives.

Some people think that getting a full-body MRI scan might help find several health problems at once and save you from having to do lots of separate tests — but this hasn’t been proven yet.

Companies are selling full-body MRI scans to healthy people who feel fine, but doctors don’t agree that these scans actually help or are worth the cost.

Doctors use full-body MRI scans to look for cancer in people who feel fine, but since everyone uses different scan settings, results can vary a lot — making it hard to trust or use these scans widely.