Which means if you want to maintain their effect, you need to keep taking them forever. So maybe GP used the wrong term but I suspect they meant exactly this.

Which means if you want to maintain their effect, you need to keep taking them forever. So maybe GP used the wrong term but I suspect they meant exactly this. In any case, we just don't know what kind of long-term effects these drugs have. No one knows what happens if you come out of them 30 years after you started.