Exhausted by long hours, workers in northeastern Thailand are turning to ‘yaba’ methamphetamine to stay awake.
![Rubber farmers in northern Thailand don't finish tapping trees until the sun comes up [Glenn Brown/Al Jazeera]](https://www.aljazeera.com/wp-content/uploads/2014/12/2014113075844983734_20.jpeg?resize=270%2C180&quality=80)
Exhausted by long hours, workers in northeastern Thailand are turning to ‘yaba’ methamphetamine to stay awake.
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