According to the report, the most popular adopted word is ‘STRESS’, As the report, stress is the thing that the most of people have all the times.
Many people know the stress as illness, but more specific, it is a transforming process of resistance of body against origin of stress like overworking, over studying, or arguments etc. There is no doubt that stress can lead to physical illness. It causes vomiting, fever, in worst case it goes to cancer.

By those reasons, all in all most people aware the stress for bad, it calls ‘Distress (negative stress)’.
However there is reverse type of stress called ‘Eu-stress (positive stress)’.

Eustress is a stress which improves our performances and brings good result of our individual growth.
There was an experiment dealt with mice by Dr. Martin E.P.S, and through the test, we can learn that having proper rate of stress is much helpful to our immune system rather than not having it. Furthermore, it develop our learning efficiency when it goes to auditory macula (part of brain controls interaction).

Like these, not all the stress is bad. But remember it is better to control our mental flexibly and take the optimum rate between Eustress and Distress. Above all, we should believe ourselves and always think that we can succeed.