This is exactly why NMR machines are now called MRIs.
"NMR and MRI are essentially the same technique, except
MRI is used to analyze the contents of humans instead of
what is in a test tube. The name change is to alleviate
patient fears associated with `nuclear'in NMR."
-- http://www.princeton.edu/pr/pwb/98/1123/nmr.htm
This is exactly why NMR machines are now called MRIs.
"NMR and MRI are essentially the same technique, except MRI is used to analyze the contents of humans instead of what is in a test tube. The name change is to alleviate patient fears associated with `nuclear'in NMR." -- http://www.princeton.edu/pr/pwb/98/1123/nmr.htm