Heroin, also known as diamorphine, is an opiate drug that is synthesized from morphine, a naturally occurring substance extracted from the seed pod of the Asian opium poppy plant. It can be injected, snorted/sniffed, or smoked, all of which rapidly deliver the drug to the brain. Once in the brain it is converted to morphine and binds to receptors known as opioid receptors - primarily those involved in the perception of pain and in reward - often resulting in addiction. 

Poppy plants from a destroyed field in Myanmar. Photo: Reuters

Myanmar delays 'drugs-free' target by 5 years

Myanmar has extended by five years its deadline to eliminate drug production within its borders, a senior official said yesterday, as the nation struggles to stem a growing narcotics crisis.

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