DSM, diagnostic and statistical manual of mental disorders High complexity foundationControl of addictive substances, are increasingly complex, and many countries are opting for certain drugs are legal for use and sale of controlled free-entertainment purposes.By legalizing the form of consumption, they are also consistent with the drug-related business illegally, no longer exist or may be they governments or state whoever controls the production, distribution and sale of drugs.Governments would benefit from revenues from this type of trading, something which already the case for alcohol and snuff.