Why you quit smoking: 10 reasons for kicking the habit

Story highlights

  • We asked ex-smokers to complete this sentence: "I quit smoking because..."
  • Using the hashtag #WhyIQuit you responded in droves

Vital Signs is a monthly program bringing viewers health stories from around the world

(CNN)Globally, more than 1 billion people are estimated to smoke tobacco. Collectively, they smoked 5.8 trillion cigarettes in 2014, according to the 2015 Tobacco Atlas.

Whilst the number of smokers has fallen rapidly in countries such as the UK, Brazil and Australia, this decrease has been countered by the rapid rise of people now consuming tobacco in China where numbers are higher than the top 29 countries combined.
But kicking the habit is no easy feat. According to the World Lung Foundation, 85% of smokers in the USA say they have tried to quit at least once.
    For World No Tobacco Day, May 31, we wanted to know the reasons why you quit smoking -- so we asked ex-smokers to complete this sentence: "I quit smoking because..."
    Using th