Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Researchers have underlined that many rehabilitation centres have closed since 2009 yet the number of deaths caused by drug overdose has incredibly increased. Indeed, reports have registered more than 584 deaths in Scotland due to drug abuse in 2011- mid 2012. Alarmingly, medical experts have detected that the drug methadone which is being used by many addicts as a substitute to heroin has lead many Scottish towards a deadly end. In-depth research have shown that the methadone programme, being a legalised drug on an industrial scale has resulted into human disaster!