> But vaping has its own problems: To become inhalable, nicotine or THC, the high-inducing chemical in marijuana, must be mixed with solvents that dissolve and

> But vaping has its own problems: To become inhalable, nicotine or THC, the high-inducing chemical in marijuana, must be mixed with solvents that dissolve and deliver the drugs. This is not strictly true; there are vaporizers that take regular dried cannabis buds and deliver THC. No chemicals are involved.