Are drug abusers being taken care of even after they finish the treatment program?

I’m just curious about how things are after life in rehab. See, my friend Jack is about to finish his ten-week treatment program for his addiction with cocaine. I’m really happy to hear the news from his parents that he’s doing just fine. I just want to know if the treatment programs are extended after he leaves the rehab. I mean, do they have programs or activities that help drug abusers to continue with the healing process? I just want my friend to recover from his addiction for good.

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