Some bad habits are making you grow old fast．Cut down the following habits today for a more beautiful，healthier tomorrow．

    ◆Waiting for your sadness to go away

    Sadness isn't just uncomfortable；it also makes you become older fast．Take your mental（精神的）health as seriously as your physical health．If you've been fighting with your sadness for more than two weeks，be sure to find professional help．Paying no attention to your sadness or just waiting without doing anything can do harm to your mental health and make you older．

    ◆Having a cigarette or two on weekends

    If you smoke only when you are with your friends on weekends，can you keep away from the harmful effects of smoking？The answer is""．Smoking can break down your skin's elasticity（弹性）．Your smoking habit may even make your hair become gray．Changing your smoking habit is changing your life．

    ◆Having a long to do list day after day

    It's natural to have a to﹣do list in our "go，go，go" daily life．But if you're always running from one thing to the next，and caught in too much business，you are turning older fast，because your too long to﹣do list makes you tired and under lots of stress．Stress can cause heart disease high， blood pressure and other physical diseases．It can also cause mental health problems or make the problems worse and worse．

（1）请将文中划线句子翻译成汉语．　　

（2）If you can't get out of your sadness，what should you do？　　

（3）What are the harmful effects of smoking？　　

（4）List two kinds of physical diseases that can be caused by stress．　　

（5）What's the author's purpose in writing the passage？