假设你叫李华。你叔叔是位工程师，最近病倒了。请根据下表内容给他写一封建议信，告诉他如何保持健康。

Dos	Don’ts
Have more fruit and vegetables	Don’t eat food rich in fat and sugar.
Have enough rest and regular exercise.	Don’t stay up late or smoke.

注意：1.词数：100左右 2.可适当增加细节，使行文连贯。
Dear Uncle,
                                                                       
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          
Yours,        
                        Li Hua