In recent years, the term stress and its causes have attracted a lot of interest. The term stress itself can be historically seen as a rediscovery of the concept that has developed over many centuries (Cassidy, 1999, cited in Cooper & Dewe, 2004). Furthermore, some authors have pointed out that the term evolved with the feeling of pressure, tension and hardship associated with the 17th and 18th centuries and that what people feel today has been exactly the same over the centuries ( Hinckle, 1973, cited in Cooper & Dewe, 2004). The condition has therefore always existed. However, the study of stress has gained momentum with many different definitions, including a typical one describing the concept as the emotional and physiological responses to circumstances that are too difficult to handle or resolve and that one does not understand. 'other choice than to endure them (1). This essay will aim to discuss the causes and effects of stress as well as the factors that trigger feelings of stress, while drawing on the opinions and theories of leading psychologists and researchers in the field. To begin with, stress can be caused by any number or combination of factors. psychological and physical elements such as pollution, overcrowding or noise pollution, also called stressors (McEtarffer and Weseley, 2007). As for crowds, although many people find it pleasant to have people at a concert or football game, others can be psychologically affected by large numbers of people (lesson: causes). This fear of density was also demonstrated in the studies of Sundstrom (1978), who found that people were less friendly and more aggressive in cities, and Pandey (1999), who studied an Indian city and concluded that people in cities have less control over their lives and lead more difficult lives. ......middle of paper ......this culture should also not be underestimated where it is possible for an authoritarian country to produce nervous and anxious subjects. In a nutshell, culture, gender, and personal traits can all combine to trigger stressful events (Cooper & Dewe, 2004). In summary, stress is not a recent phenomenon but has always existed in humans. It is not only caused by external elements such as noise pollution or overcrowding (stressors), but also by certain innate factors and the reactions of individuals to the events around them. The effects of these factors, alone or in combination, can dramatically change people's lives and cause a variety of conditions ranging from impotence and anxiety to serious heart disease. If corrective measures are not taken into account, such as providing ways to manage stress and implementing sports and health programs, the future does not look bright..