professional diseases

The diseases are termed as injuries usually extensive work by the day or the length in an occupation or profession in a job.
Some examples of occupational diseases can be pneumoconiosis, allergic alveolitis, back pain, carpal tunnel syndrome, occupational exposure to pathogens and various cancers, among others.
For professional class as a disease is imperative that there basic elements that differ from common illness:
Agent: There must be a causal agent in the environment or special conditions, potentially harmful to health. They may be physical, chemical, biological or physical overload generators for the exposed worker.
Exhibition: is a sine qua non to show that, as a result of contact between the worker and the individual agent or working condition, pregnancy is a possible health damage