Chemistry at work in e liquids is still poorly understood, worrying researchers News Chemistry World Federal regulators want more information about chemicals in e cigarettes E cigarettes 'Potentially as Harmful as Tobacco Cigarettes' UConn Today Efforts to Combat E cigarette Misuse Could Backfire American Enterprise Institute AEI E cigarettes and oral health: what you need to know Delta Dental Johns Hopkins researchers find thousands of unknown chemicals in electronic cigarettes Hub