The latest statistics show increasing numbers of lung cancer sufferers are non smokers.
This is thought to be partly owing to other factors including air pollution and exposure to asbestos.
The dangers of passive or secondary smoking were played down for many years which meant that millions of children, many of whom grew up to be non smokers, were brought up in homes filled with tobacco smoke.
The link between lung cancer and tobacco smoking was first discovered in 1950 but pressure from the tobacco companies and the release of false statistics lead to government apathy.
Ethical question - how do you feel about second chance??


