By Emma Russell, CNN (CNN) — Mong Shuan was just 16 when she turned to an unconventional source of income: selling betel nuts from a little stall in northern Taiwan. The stimulant, a small, oblong fruit derived from areca palms, is chewed by millions of people across Asia. For the next three years, Mong would Read this story at KEYT , KIFI , KTVZ , CNN
