"Eating fat seems to make us less vulnerable to sad emotions, even if we don't know we're eating fat," Dr Lukas said.

“即使我们在毫不知情的情况下摄入了脂肪，它似乎也可以帮人抵御悲伤情绪。”卢卡斯博士说。

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"They're all special because they were with a different client, " Lukas said when asked to compare his Preakness wins.

WSJ: Belmont Stakes: Oxbow vs. Orb in the cards

"He's not an easy horse to train at all, " Lukas said.

WSJ: Oxbow Upsets Orb in Preakness Stakes

"The animals here are all here because we're helping them survive as a species, " Mr. Lukas said, referring to the plantation's extensive breeding and animal-rehabilitation programs.

WSJ: Hard Times Force Famed Southern Refuge's Sale