Tarea

Drugs
Drugs are any chemical agent able to influence, positively or negatively, in the process of transmission that meets the synapse: Your introduction into the human body causes abnormal statesaffecting both the personality and life of those who use it.
Drugs are chemicals that alter the functioning of a living being, affecting the nervous system and fight or prevent pain and disease.Broadly, all medicines are drugs and substances used for diagnosis, treatment or prevention of diseases: antibiotics, sulfa drugs for cancer chemotherapy, anticoagulants, laxatives, diuretics,stimulants, tranquilizers, sedatives, analgesics, anesthetics, hormones etc.
The drugs are often obtained by chemical synthesis, although much of it has biological origin (mainly vegetable) or microorganisms.But some substances originally obtained from plants are now manufactured artificially.
His administration may be oral (by mouth), rectal (anus), inhalation (through the airways) parenteral(injection), which in turn can be intramuscular (into a muscle), intravenously (in blood vessels) or subcutaneous (under the skin).
Strictly speaking, the name applies to drugs psychotropic substances thatact on the nervous system (stimulants, sedatives, tranquilizers, hallucinogens), whose use can be habit-forming effects cause dependency and withdrawal symptoms when they are dispensed.
DrugClassification
Narcotics are drugs that produce physical and psychological dependence, some of its effects are euphoria, reduction of fear, stress, anxiety, physical activity, causing insomnia, vomiting,etc.
Drug addicts need higher and higher doses to achieve its purpose, which is costly. Inveterate victims often resort to crime to satisfy his addiction.
Sedatives are drugs that depress and slowbody functions. Often, these drugs are called tranquilizers and sleeping pills or, sometimes, simply sedatives.
Its effects range from calming people experiencing anxiety and promote sleep. Both...