Concept of stress: The term "stress" has become a buzzword in our modern society. It is a complex term, very topical and of great interest. It is inherent to life and is unarguably part of it. It basically describes how our organism seeks to adapt to the dynamics of everyday life. Two types of stress can be identified. One, which is beneficial, is indispensable for the body to develop and function, allows us to perform better.