Imagine a vaccine against smoking: People trying to quit would light up a cigarette and feel nothing. Or a vaccine against cocaine, one that would prevent addicts from enjoying the drug's high. Though neither is imminent, both are on the drawing board, as are vaccines to combat other addictions. While scientists have historically focused their vaccination efforts on diseases like polio, smallpox and diphtheria -- with great success -- they are now at work on shots that could one day release people from the grip of substance abuse.
Vaccine Against Smoking Or Cocaine In The Works