Fifty years since landmark smoking report
Fifty years ago on Tuesday, a key report was published that marked the beginning of a change in our relationship with smoking.
Although there had been previous warnings linking smoking and lung cancer, it was the 1962 study by the Royal College of Physicians, Smoking and Health, that really broke through to the public and politicians.
Attitudes in the intervening 50 years have changed enormously.
The BBC's health correspondent Dominic Hughes reports.