Effects of Caffeine Addiction
Caffeine is a purine derivative. It can be described as a drug which is classified under methylxanthanes and is a CNS (Central Nervous System) stimulant. The whole world consumes it irrespective of geographical distribution. There are many illegal psychoactive substances like tobacco, marijuana, cannabis, ayahuasca, coca, caffeine, opium and peyote. Out of which only caffeine and coca are legal to consume or sell. Theobromine i.e., chocolate is similar to caffeine in chemical structure. Both differ only with a mighty methyl group. The presence of a methyl (CH3) group in the methyl xanthine structural analogue is caffeine where the absence of it is theobromine i.e., chocolate.