Relation of cigarette smoking and alcohol drinking in midlife with risk of cognitive impairment in late life

Singapore research institutes used data from 16,948 men and women, who had been followed-up for 16-23 (mean of 20) years as participants of the Singapore Chinese Health Study – and found that co-existence of smoking and regular alcohol drinking at midlife had a much stronger impact than their individual factors on risk of cognitive impairment in late life.