A drug is any raw material(commodity) of biological origin that serves for the production(elaboration) of medicines, being the beginning(principle) I activate the substance responsible for the pharmacological activity of the drug. Another meaning is recounted to the substances of abuse.
The classification of the drugs according to the effects that produce to level of the nervous central system constitutes the system of classification most accepted at present (opposite to the distinction between(among) hard and soft(smooth) or legal and illegal drugs).
Before the first civilizations already there are tests(proofs) of which the man, knew the effects of certain plants(floors) as the opium poppy of the opium and was using them. In all the civilizations, from the asiria up to the current one of the 21st century, the human being has consumed all kinds of drugs for different motives, religious, ritual, medicinal, habits or customs, for distraction, hedonism, etc.
Before the first civilizations already there ploughs tests (proofs) of which the man, knew the effects of certain plants (floors) seize the opium poppy of the opium and was using them. In all the civilizations, from the asiria up to the current one of the 21st century, the human being have consumed all kinds of drugs for different motivate, religious, ritual, medicinally, habits or customs, for distraction, hedonism, etc.
In spite of being both substances that more deaths provoke in the western societies, alcohol and tobacco do not have the same stigma that the remaining drugs, since they are legal and his(her,your) use is accepted socially and regulated by the administration.
At first(In principle), the drugs perceive with a positive and favorable image that it(he,she) attracts young men(women) and major. Nevertheless, this face disappears rapidly, and the drugs start appearing as they are: pain, problems, unhappiness and multiple disorders.
The drugs generally create both physical and psychological dependence and make live to whom it(he,she) them consumes, in a totally false world, where there is suffered physical, mental, emotional degradation and finally it(he,she) can manage to cause the death.