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Epidemiology, the world tobacco epidemic 

Epidemiology, the world tobacco epidemic
Epidemiology, the world tobacco epidemic
Smoking Cessation (Oxford Respiratory Medicine Library)

This chapter presents an overview of smoking, its global importance, and key mortality and morbidity data.

There are 1.3 billion smokers worldwide consuming over 5 trillion cigarettes annually.

Smoking caused an estimated 100 million deaths in the 20th century.

The death toll is rising with 3 million deaths predicted this year from smoking and a billion deaths expected in the 21st century.

By 2020, all of the top 5 causes of death will be smoking-related.

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