Introduction
Consumption of addictive psychoactive substances can be traced back to the earliest records of the human history. In ancient past, these psychoactive substances were consumed in various occasions: some priest consumed the substances during religious ceremonies; some substances such as opium were used for medicinal purposes; were consumed by the general population as they were socially accepted. People later devised various potent compounds which were easier to administer. As a result of high administration, addiction and abuse of these substances began. As early as in the 17th century, the concern of overuse of these substances and the loss of ...
