I live with my gran parents because and my parents take care of my thirteen year old brother, nine year old sister and two year old sister in a bad part of the city. i don't live with them because there isn't enough space and my dad doesn't like it when i KINDLY point out how much of a drug problem he has. So even though we fight and he forgets why he says he is "in control" and still denies doing anything wrong. i finally had enough and left. Now its been two years since then, still fights but still I swallowed my pride and apologized for the sake of the family. Now my brother is going through the same thing i was but worst. He calls me and tells me they are getting high on xanax which my mom gets prescribed to her and goes shoplifting again with my brother and sisters with them. He tells me about how scared he's that they are going to get locked up while they are with them. Just recently my dad was influenced to do WET (not that it was his first time) and when i confronted him on it he denied then said he wont do it again. Earlier tonite I get a call from my brother saying that both of them are doing it now with two other ppl in the house while him and my sisters are in the next room. An hour later from my sister call telling me my brother is having breathing problems which is unusual so I immediately believe the cause is the smoke. I'm not sure what to do talking to him does nothing not even his own parents know what to do. I gave up on him when he got locked up and we had to go into a shelter. My mom is falling in with him after she got locked up for shoplifting already and as much as i talk it does nothing, I need some advice to say to least what can do?