"Exploding use -- misuse and abuse -- of liquid nicotine make federal regulation even more vital to stop poisoning and other public health hazards. Used to refill e-cigarettes, and sold over the Internet, liquid nicotine can be toxic in small quantities. Today's New York Times report documents powerfully the dangers to children and adults alike. E-liquids are the new snake oil of cigarette marketing -- with purity and potency varying widely, and no safeguards. The FDA must act immediately to forestall imminent public health threats from e-cigarettes and toxic nicotine e-liquids."