Hard to say whether their performance was 'effected' or not since no one knew what their performance was like when they were sober. My grandfather smoked his entire life and lived to be 95, but who's to say that he might not have lived to be 115 if he hadn't smoked (thank God he didn't.....he was really a crusty old bastard).

chas

BTW, http://www.diffen.com/difference/Affected_vs_Effected