But positive stress (also referred to as eustress) stimulates us, enabling us to perform tasks more efficiently.

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When combined with another molecule GABA stimulates us to eat.

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According to Nemeth, dissent stimulates new ideas because it encourages us to engage more fully with the work of others and to reassess our viewpoints.

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It achieves multiple goals -- it stimulates auto sales, increases the efficiency of the U.S. fleet and makes us safer.

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