New York is against second-hand smoke of any kind; even beneficiaries of the states new medical marijuana law will need to avoid lighting up. Government restrictions do allow vaporizers, however, which got their (legal) start with tobacco and are about to become big business in NY. The handheld devices will play a key role in the treatment of medical marijuana recipients, who will be permitted to inhale the drug through vaporizers, but not by using cigarette paper and a lighter.