4 ms·
Usually the phrase is "severe and persistent". Things that aren't severe and persistent are tolerable and get better and worse, so whatever you do or experience
by perl4ever 7y ago
Usually the phrase is "severe and persistent". Things that aren't severe and persistent are tolerable and get better and worse, so whatever you do or experience, it can appear to help.
- dragonwriter 7y agoThere's a difference between “help” and “appear to help”, and measuring to distinguish the two is a central function of clinical science.