If you're in a bad mood, you may feel as if you'll never get out of it. Fortunately, your thoughts have a lot of control over your mood. In fact, they have so much power over your mood that they can even affect the way you physically feel.    1    

Change what you're doing. If you're unhappy because you feel bored, try doing something different.     2    For instance, if you've been in back-to-back meetings throughout your day with no free time, treat yourself to a funny movie at the end of your day. Changing what you’re doing can work wonders on your mood.

    3    If you think your unhappy mood is stress related, get outside to reduce stress and lift your mood. Try going for a walk in the park or visit a garden. Being outside can greatly improve your mood.

Exercise. Go for a workout, play one of your favorite sports or activities, or just be more active in your daily routine. Studies have shown that exercising improves mood by signaling your body to release “feel-good” chemicals into your brain.    4    

Do something that makes you smile. Studies have shown that smiling can improve your mood even if you're in a bad mood to begin with. Even if you don't feel like smiling, just reminding yourself of the act of smiling can cheer you up.

    5    Or you can talk with a friend who you know always makes you laugh or smile.

Teenage depression (抑郁) isn't just a bad mood. It's a serious problem that affects every aspect of a teen's life.     1     Here are some ways of dealing with your depression.

Try not to isolate(使孤立) yourself

    2     Just getting out of bed in the morning can be difficult, but isolating yourself only makes things worse. Make it a point to stay social, even if it's the last thing you want to do.

Do any physical activity

Making healthy lifestyle choices can do wonders for your mood.     3     You can benefit from exercising, which will instantly make you feel better. Physical activity can be as effective as medications(药物治疗) for depression, so get involved in sports. Ride your bike, or take a dance class. Any activity helps!     4    

    5    

Stress and worry can lead to depression. Talk to a teacher or people that you trust if exams or classes are making you anxious. Likewise, if you have a health concern you feel you can’t tell to your parents, seek medical attention at a clinic, or see a doctor.

Lost in the PostHow would you feel if the letter you penned carefully and posted to your favorite star ended up in the recycling bin? That's where unopened fan mail sent to singer Taylor Swift was found in Nashville.     1    Swift’s management said it was an accident, but dealing with piles of letters is a burden for most public figures. According to the BBC reporter Jon Kelly, at the height of his fame, Johnny Depp was said to receive up to 10,000 letters a week.     2    The dawn of the digital age in which public figures with a Twitter account can be messaged directly has made the process easier. The White House says it deals with 20,000 messages addressed to President Barack Obama each day.Some celebrities don’t want letters. In 2008, Beatles drummer Ringo Starr said that he would throw them out because he was too busy.     3    Robert Pattinson, star of the Twilight films, claims that he reads tonnes and tonnes of letters from fans, which takes up almost all his free time.Many artists, however, outsource(外包) the task of opening, reading and replying. Sylvia “Spanky” Taylor, 58, has run a service in California that does just that since 1987.     4    Most letters are simply declarations of affection and admiration, she says. A few ask for money. A small number contain threats which require her to contact the celebrity’s security team and law enforcement.The biggest problem for Taylor is working out how to deal with the correspondence(通信). Presents such as soft toys are sent to local hospitals, and most of the letters just get shredded and recycled.    5    For some, this is enough, according to Lynn Zubernis, an expert at West Chester University. She says that the relationship between fan and celebrity may exist only in the mind of the former but it comes from a deeply-rooted human need for community.