Explanatory style has been considered as a cognitive factor present in personality traits in psychology. Two important dimensions are considered in explanatory style: optimism and pessimism. Optimism has been evaluated as positive side of mental health whereas pessimism has been evaluated as negative side of mental health. Thus, pessimism is an important topic which is studied by many scientific disciplines. Nowadays, the importance of systemic approach is increased. This approach is used by different disciplines such as as health, psychology, education and administration. Investigating of pessimism by means of systemic approach would provide us a comprehensive understanding of this subject. With these information in mind, in this article pessimism was reviewed from the perspective of systemic approach.
Pessimism, systemic approach, physical and mental health.