Yaba is a cheap synthetic drug all the rage in Bangladesh It's a mixture of methamphetamine and caffeine sold as cheap red or pink pills. According to a addiction specialist you become more sociable, you enjoy music, cigarettes and sex more (your awake longer and with more energy). If you stop using there are no withdrawal symptoms, but it is addictive. The Decaf version has “Trump Syndrome” Irritability or explosive outbursts, changes in temperament, lying or stealing, change in relationships, and not keeping up with responsibilities