Cigarette smoking: an independent risk factor for impotence?


The authors sought to determine whether current cigarette smoking was associated with impotence among middle-aged men. This is a secondary analysis of a cross-sectional survey of 4,462 US Army Vietnam-era veterans aged 31-49 years who took part in the Vietnam Experience Study in 1985-1986. The main outcome measurement was the odds ratio for reported… (More)


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