I've got a post up at the Lifestyle Economics blog that revisits Policy Exchange's 2010 'cost of smoking' report that claimed that smoking breaks cost society £2.9 billion. As a study published last month confirms, this is very unlikely to be true.
Do go read it.
(PS. If you're a blogger and you want to put the Lifestyle Economics blog on your sidebar, the RSS feed is http://www.iea.org.uk/lifestyle-economics/blog/rss)