A drug is any plant, animal or synthetic substance that can be used to treat a disease, calm a symptom, or modify a chemical process in the body for a specific purpose. In addition, a substance that creates dependence on those who consume it is considered a drug.
The drug can smoking (snuff, marijuana), aspirate (cocaine), inhalation (adhesives), injecting (heroin) or taken orally (alcohol, synthetic drugs). It can also be consumed in different ways, such as heroin that is smoked, snorted or injected.
There are many types of drugs and many ways to classify them; According to the effects produced in the central nervous system (CNS), it can be classified as depressant (reduces or inhibits the mechanisms of normal functioning of the CNS causing relaxation, sedation, drowsiness, hypnosis and even coma), stimulating or exciting (they produce a general activation of the CNS, leading to an increase in bodily functions), and hallucinogenic (they alter the perception of reality, the state of consciousness and cause hallucinations).
Regarding their legal situation, there are drugs that are bought and sold illegally (cocaine, heroin, Cannabis, LSD) and others that are commercialized legally (alcohol and tobacco). Likewise, according to their dependence , the soft and hard drug are found; the first non-dependent or does in low grade, and the second creates a f eath dependency, addiction which is very difficult to overcome.
Drug abuse is an expression used to indicate the use of substances generally self-administered for purposes that derive from their medical use or from the social pattern in a given culture. Drug abuse can lead to addiction, dependence and habituation, which in the long run can lead to intoxication problems.
Addiction or drug addiction develops when the individual feels a compulsive need for the substance and when it is withdrawn, he presents great discomfort. In this way, physical dependence occurs, when the person has accustomed his body to function under the influence of a drug.
The drug affects the individual as a whole. Your emotions, will, heart rate and function, breathing, blood pressure, appetite, etc. are altered. An overdose can cause seizures, coma, respiratory arrest, and death.
This is why drugs are a social problem of great importance, the best way to prevent and avoid the use of it is to educate and inform, especially young people, the types of substances that exist and the risks of their consumption.