Worldwide, about 0.5 million deaths are attributable to drug use. More than 70% of these deaths are related to opioids, with more than 30% of those deaths caused by overdose.There are effective treatment interventions for opioid dependence that can decrease the risk of overdose, yet less than 10% of people who need such treatment are receiving it. After all this, lets now dive into some case studies of 2 countries badly hit by this vice . We begin with the United States before looking at the situation in the United Kingdom.