This may be true: the point of a common legal framework is to prevent the problems of smoking so common in rich countries from spreading to poorer ones.

ECONOMIST: Kicking the habit | The

The NHS faces a host of problems, with many children smoking or taking drugs as well as significant levels of youth obesity and mental health difficulties.

BBC: Teenage smoking

Keep Britain Tidy said fast-food litter was one of the main problems these days, and that smoking-related litter had doubled since bans were introduced for enclosed public places.

BBC: Huge litter pick gets under way