could tell by LOOKING at a person if they were well or if they were sick, even before the person knew it themselves.
Similar , i.e. just simply observing the signs,
to knowing without being told, if someone just got pregnant.
Those who today are trained, trained observers, can watch someone up at a podium, and tell if they had a heart attack sometime, a stroke, or if they are going to have one in a week, a day, or six months.
They can tell in less than three minutes with them if they have kidney trouble, liver trouble, digestion problems, etc etc etc
Illegal today ?
One of the first published known about, nationwide, was Adelle Davis. Around 1960 I think.
Before then, for many generations, it was known, not usually published.
Similar to "the spiritual man appraiseth all things, and is appraised by no one"..... who wants to be so rare ? So unique ?
Like Jesus, those who are spiritual are rejected by the world, society, professionals, even by churches (most).
and by their own people, by their own families, by their own towns, by their own countries. Who would choose that ?