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Human testing of the first anti-nicotine vaccine has begun, according to
British drugs company Xenova. Medical director John Roberts says the drug could
help people quit because it prevents nicotine acting on the brain and so stops
addiction. Nicotine patches or gum simply substitute inhaled nicotine with a
more benign form. The vaccine will work best for smokers who risk relapsing
after quitting. The vaccine will stop a lapse of will power 鈥渟ending you back to
the beginning of the craving cycle鈥�, says Roberts.