Methamphetamine is given as a medication within North Korea , which has helped to fuel its spread .
According to Isaac Stone Fish writing in Foreign Policy , the production of methamphetamine in North Korea is done by chemists and other underemployed scientists .
Methamphetamine is given as a medication within North Korea , which has helped to fuel North Korea 's spread .
According to Isaac Stone Fish writing in Foreign Policy , the production of methamphetamine in North Korea is done by chemists and other underemployed scientists .