how many people die from smoking cigarettes Australia's biggest killer: causes 66 deaths every day and 24,000 a year Give It Up: Cutting back

World no tobacco day poster, crossed evil cigarette, retro style vector illustration Captions are provided by our contributors

Health effects Harmful substances in cigarette smoke Ventilation holes in cigarette filters mean that smokers inhale at least as many harmful substances as when there are no holes in the filter

A study published in the journal Nature last week showed that smokers can effectively turn back time in their lungs by kicking the habit, with healthy cells emerging to replace some of their tobacco-damaged and cancer-prone ones

Alcohol and nicotine are both harmful to overall health and highly addictive