题目内容：

假设你是李华，你的美国朋友James由于不爱运动、吃垃圾食品上瘾等原因陷入了肥胖的困扰中，非常苦恼，请你通过电子邮件给他提一些建议和意见，帮助他减肥。

注意:1.词数:100左右（开头和结尾已给出但不计入总词数）

2.可适当增加细节,以使行文连贯。

Dear James,

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Yours,

Li Hua