Smile

• 1 Health is a laughing matter
  If you think back to an occasion when something made you laugh out loud, you'll probably find your lips starting to twitch again and that same positive feeling invading your body. What you may not realise,...

• 2 Cheryl Cole has a winning smile – it's official
  Since joining the X Factor and becoming a new national treasure, there hasn't been a poll Cheryl Cole hasn't topped since the show ended in December. And now she has been voted top celebrity smiler. The...