Substances of abuse include heroin and methylene dioxymethamphetamine (MDMA, or Ecstasy).

Trends are also following similar patterns use of cannabis is increasing heroin use is stable or decreasing and use of ATS and cocaine is increasing.

Central and Eastern Europe has suffered from a massive inflow of Afghan heroin and from the growing transit of precursors in the opposite direction.

Notwithstanding the spread of heroin injection, activities in the area aimed at reducing its negative health and social consequences have been limited.

In Africa and the Middle East, while information on drug abuse is scarce, regional expertise confirms an increase in the abuse of cannabis and some evidence of increase in the abuse of heroin and ATS.

It was someone's birthday, and they had very kindly smuggled some heroin into jail, and he was very generously sharing it out with all of his colleagues.

In West Asia and Central Asia, cultivation of opium poppy in Afghanistan feeds an increasing flow of heroin, which in turn facilitates crime and terrorism, threatening the economic and social stability of the country and the region.