I accidentally posted this in the engineering thread as well (sorry mods). I'm studying mechanical engineering (BEng) at City University, in London. I'm currently using methadone, GHB, IV cocaine, IV methamphetamine and cannabis on a regular basis (this isn't some sort of sick joke!). I was just wondering whether this will completely prevent me from finishing (and doing well in) my degree? Has anyone here been a complete drug addict and still achieved decent grades?