Eustress

Yerkes–Dodson curve for a difficult task

Eustress means beneficial stress — either psychological, physical (e.g. exercise), or biochemical/radiological (hormesis).

The term was coined by endocrinologist Hans Selye, consisting of the Greek prefix eu- meaning "good", and stress, literally meaning "good stress".

It is the positive cognitive response to stress that is healthy, or gives one a feeling of fulfilment or other positive feelings. Selye created the term as a subgroup of stress to differentiate the wide variety of stressors and manifestations of stress.

Eustress is not defined by the stressor type, but rather how one perceives that stressor (e.g. a negative threat versus a positive challenge). Eustress refers to a positive response one has to a stressor, which can depend on one's current feelings of control, desirability, location, and timing of the stressor. Potential indicators of eustress may include responding to a stressor with a sense of meaning, hope, or vigor. Eustress has also been positively correlated with life satisfaction and well-being.

More information is available at [ Wikipedia:Eustress ]

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