The American Journal of Medical Science reveled that when people laugh, the body decreases the production of stress hormones, which was replaced by powerful internal healing hormones.

《美国医学杂志》上说，当人们发笑的时候，人体会减少压力激素的分泌，并随之产生高效的内部修复激素。

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The two countries are already involved in bitter disputes with the European Union over the banning of some GM products and North American meat reared with hormones.

BBC: Fight on GM food labelling

The EU has still failed to lift a ban, declared illegal by the WTO six years ago, on American and Canadian beef from cattle treated with growth hormones.

ECONOMIST: Invasion of the transgenics

Given a national stage every March, this heady mix of hormones, pride, love and self-esteem makes the NCAA tournament a uniquely meaningful occasion in American sports.

WSJ: The Emotional Logic of March Madness