The set of these organic disorders Dr. Selye called biological stress. Adds us, that the so-called stressors or stressful factors are triggering situations of the stress and may be any stimulus, external or internal (both physical, chemical, acoustic or somatic as socio-cultural) that, direct or indirectly, leading to destabilization in the dynamic equilibrium of the body (homeostasis).An important part of the effort that has been made to the study and understanding of stress, has focused on identifying and classifying the different triggers of this process. The revision of the main types of stressors that have been used to study stress, provides us with a first approach to the study of its triggering conditions, and shows us the existence of eight broad categories of overstress: situations that force to process information quickly harmful environmental stimuli perceptions of threat alteration of physiological functions (illnesses, addictions, etc.) isolation and confinement blockages in our interest group pressure frustration however It is possible to perform various taxonomies on the triggers of stress using merely descriptive criteria – for example, that proposed Lazarus and Folkman (1984), for whom psychological stress is a particular relationship between the individual and the environment (which is evaluated by the individual as threatening or overwhelming their resources and that jeopardizes their well-being). Hear other arguments on the topic with Nobel Laureate in Economics. In addition, consider that medical practice has been confirmed by years diseases stress product, current life styles are every day more demanding, modern man this leads to significantly increase greatly their tensional loads and produces the appearance of various pathologies factors psychosocial in the work represent the set of perceptions and experiences of the worker. Some are individual in nature, others relate to economic expectations or personal development and other human relations and its emotional aspects. The most common approach for addressing the relationships between occupational psychological environment and the health of workers has been through the concept of stress.

Both in developing countries as in industrialized States the working environment in conjunction with lifestyle cause negative psychological and social factors. The current trends in the promotion of safety and hygiene in the workplace include not only the physical, chemical and biological risks of work environments, but also the multiple and various inherent in the enterprise and how psychosocial factors as they affect the physical and mental well-being of the worker. Other factors external to the workplace but that they are closely related to the concerns of the worker are derived their family circumstances or his private life, of its cultural elements, their nutrition, their transport facilities, housing, health and safety in employment. Diseases by work stress treatment should always be addressed to eradicate it through control factors or causal forces of the same. Criteria general aims to cure the disease in isolation by means of palliative treatment of emotional disturbances or organic lesions repair is extremely simplistic, limited and little rational.