The study results also suggested that the men obtained an immediate but short-lived calming of their anger when they smoked.This may be due to metabolic effects of nicotine in the brain, says Delfino.

• 调查结果还显示，愤怒的男子在吸烟时能够得到暂时而短促的心情平静，这可能是尼古丁对大脑造成的新陈代谢作用引起的。