Ninety per cent of smokers regret taking up the habit, and 40 per cent attempt to quit each year. Photograph: Jonathan Brady/PA Wire

Cigarettes kill about half of all long-time smokers and cause far more deaths annually than any other commodity or activity: a billion people are pred(...)

Lung cancer is the major but not the only ill-effect of smoking cigarettes. Cancer Research UK cites smoking cigarettes as causing 83 per cent of lung(...)