General considerations
A drug is any chemical, natural or synthetic, that once ingested alters the behavior, perception, mood changes, increases or decreases the physical or mental performance. Its most important feature is that they create habits, there is an irrepressible desire to repeat their use because they give the man a sense of well being.
The drug addiction is a state of change, sometimes poisoning, caused by ingestion of one or more drugs.
Drug addiction is poisoning caused by different agents such as alcohol, snuff or alkaloids that disrupt life and may lead to its destruction. (more…)
