Junk food:
Increases happiness
They may be bad for the waistline but burgers, chips and pizzas can make you happy,according to researchers from the US.
They studied 2,366 pupils aged two to 12 and found that those who downed fatty foods and fizzy drinks were overweight but also happier than their skinnyclassmates.
垃圾食品：增加快乐
美国的研究人员称，虽然垃圾食品可能会增粗腰围，但汉堡包、薯条和比萨饼能够带给人们好心情。
他们对2 岁到12 岁的2366 名学生进行研究，发现那些吃高脂肪食品、喝汽水的学生虽然超重，但他们比瘦小的同学更快乐。