Lighter fluid, like gasoline, model airplane glue, paint thinner, varnish, nail polish remover, and even some types of cover-up products, are all known in chemistry as "organic solvents," or part of the volatile organic compound (VOC) family. Like the effects of low-dose anesthesia, the pungent fumes of these chemicals produce a lightheaded and hot feeling. Many heavy solvent sniffers report al...