Absolutely not always. Yes, there are MRI with permanent magnets, but these are huge and only reach up to 0.4 Tesla. Electromagnets are the standard today:"Helium cooled superconducting magnets are the most common type found in MRI scanners today." - https://en.m.wikipedia.org/wiki/Physics_of_magnetic_resonance_imaging
They seem to have edited out the relevant part, it wasn't when I posted it. Here is another one: https://www.youtube.com/watch?v=8iEbxShZKL8
His throat got slashed by another player: https://www.youtube.com/watch?v=f1bRs21GdeMUpdate: New link https://www.youtube.com/watch?v=8iEbxShZKL8
Oh neim :(