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一种新的疫苗可以帮助吸烟者戒烟。疫苗的作用是防止尼古丁进入大脑并减少其作用。它的目标在于预防人们成瘾。实际上,如果人们不能从香烟和咀嚼烟草中得到快感,那么人们就不再愿意继续吸烟了。
A new vaccine can help smokers quit smoking. The role of the vaccine is to prevent nicotine from entering the brain and reducing its effects. Its goal is to prevent people from becoming addicted. In fact, if people can not get the pleasure from cigarettes and chewing tobacco, people are no longer willing to continue smoking.