Effects of cigarette smoking history on cognitive functioning in healthy older adults.

Objective: The authors assessed the unique effect of smoking history on cognitive functioning after adjusting for demographic factors such as age, education, and gender, and presence of vascular illness.

Methods: A sample of 127 healthy older adults (29 men, 98 women) between the ages of 47 and 83 (mean: 66.9) were administered a comprehensive neuropsychological battery.