There’s not much stigma attached to meth use in harsh North Korea, writes Los Angeles Times reporter Barbara Demick. Some take it to treat colds or boost their energy; students take it to work late. The drug also helps curb appetites in a country where food is scarce. It is offered up as casually as a cup of tea, North Koreans say. “If you go to somebody’s house it is a polite way to greet somebody by offering them a sniff,” said Lee Saera, 43, of Hoeryong, also interviewed in China. “It is like drinking coffee when you’re sleepy, but ice is so much better.” More: LA Times .