http://newrepublic.i2p/post/168317/gas-stoves-new-cigarettes-benzene-poisoning
“To put a good spin on it,” he said, “the long experience we’ve now had with tobacco smoke pollution, showing that it creates a risk even for people in nonsmoking sections, might make it easier for the people who are concerned about natural gas to convince people that even the small amounts of benzene which are drifting out could be having some kind of effect.”