We don’t get injuries from “hunting and gathering” in the field, we get them from “hunting and pecking” at a keyboard.
Acupuncture is now being used in modern medicine, but it is certainly not new.
Back pain has become more common in the computer age than it was in the agricultural age. This may appear puzzling, because we are no longer working the land, we are now working the hand. Or at least both hands, at a keyboard.