Health minister Norman Lamb, who revealed he quit smoking last week, said the cost of the campaign was about "a couple of million" pounds.
He told BBC Breakfast:
It costs the NHS over £2.7 billion a year, over 1,200 people admitted to hospital every day as a result of smoking, so this is an enormous killer.
With the number of lives that are lost, and the number of families that are destroyed as a result of that, surely to commit a bit of resource to a campaign that could result in saving lives is worthwhile.
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Errors with medication may cause around 1,700 deaths annually in England and contribute to up to 22,000 each year, according to research.
The deputy sheriff stood outside Marjory Douglas Stoneman school, watching the western entrance of the school for more than four minutes.
The day will feel cold, especially along the east coast where there is also a small chance of catching the odd wintry shower.