> A single MRI image is not super helpful, still more art than science, the real benefit comes from having periodic scans against a baseline.

An MR when someone has a problem is pretty helpful.

Screening MR is not really a good thing except in a very narrow range of conditions - you just generate unnecessary procedures, more imaging and stress.

In regard to low field MR, the likes of Siemens Deep Resolve and their low field magnet (0.55T) have taken this a long way, and really improves image quality. It looks useful for imaging around implants and metal.

https://pubmed.ncbi.nlm.nih.gov/30932247/

https://bmjopen.bmj.com/content/12/1/e056572

https://www.siemens-healthineers.com/magnetic-resonance-imag...

https://www.siemens-healthineers.com/magnetic-resonance-imag...