Quit Smoking for good
More than 70 per cent of smokers have tried to quit and failed. Now, companies are developing vaccines that could help smokers kick the habit for good.
When nicotine is absorbed into the bloodstream, it travels to the brain, producing a high. The vaccine NicQb creates antibodies that bind to nicotine in the blood. Together, they’re too large to reach the area of the brain stimulated by nicotine. With no pleasure de rived from nicotine, cravings are reduced.
In a study of the vaccine (which may be available in five years), 57 per cent of those who achieved high levels of anti bodies stopped smoking for at least four months.
Several other anti smoking vaccines are in the works, and two drugs, rimonabant and varenicline, are also promising. Both work by blocking brain receptors that give us the reward response. Experts say many addicts will still need counseling to break the habit.
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