James enstrom research is outdated and was likely funded by tobacco company's The World Health Organisation did a study in 2004 that shows passive smoking IS responsible for Upto 600000 deaths worldwide. Also why would the government shoot themselves in the foot by discouraging smoking when they rake in so much tax from it? Sorry but denying passive smoking harms people is ridiculous. I work in the health service and see the evidence daily.
In July 2006 the House of Lords Economic Affairs Committee published a report on the management of risk. One of the subjects they looked at was passive smoking. The committee, whose members included former Chancellor Lord Lawson, concluded that, “Passive smoking is an example in which [government] policy demonstrates a disproportionate response to a relatively MINOR HEALTH PROBLEM, with INSUFFICIENT REGARD TO STATISTICAL EVIDENCE."