Dark chocolate

170 calories for 1 ounce

Nosh on dark chocolate and you'll eat less at your next meal, according to research from the University of Copenhagen.Compounds in chocolate slow down digestion and make you feel full longer. A small piece of chocolate (aim for the size of a business card) can also curb your cravings for salty, sweet, and fatty foods.

哥本哈根大学的研究表明，吃黑巧克力可以让你下一餐少吃一点。黑巧克力里的复合物可以降低消化速度，让你的饱腹感持续更久，一小块黑巧克力（一张名片大小）可以抑制你对含盐类、糖类和脂肪食物的渴望。