Table.

Opportunities gained in stopping smoking by amount smoked

Amount smoked	Life lost	Opportunity gain
One cigarette	11 minutes	Telephone call to friend; read of newspaper; brisk walk; or fairly frantic sexual intercourse
Pack of 20 cigarettes	3 hours 40 minutes	Long film (for example, Titanic); two football matches; one shopping trip; Eurostar journey from London to Paris, including visit to cafe; running in London marathon; or tantric sex
Carton of 200 cigarettes	1.5 days	Visit to friends or family; one very serious shopping trip; Wagner opera; flying round the world; or romantic night away