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The concept of the "helper's high" arose in the 1980s, and has been confirmed in various studies since then. It consists of positive emotions following selfless service to others. Greater health and increased longevity are associated with this psychological state. Generosity, selflessness, and an extended sense of self favor our ability to confront successfully the environmental challenges we face on our planet.

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The concept of the "helper's high" arose in the 1980s, and has been confirmed in various studies since then. It consists of positive emotions following selfless service to others. Greater health and increased longevity are associated with this psychological state.