The poorer mental function seen among alcoholics, many of whom also regularly smoke cigarettes, may be partially due to the long-term effects of nicotine, new research suggests.

• 研究发现:酗酒者常有精神疾患,他们中很多人又是常规的吸烟者,这种想象可能可以部分归结为尼古丁的长期影响。