FYI: In regard to articles published in the Daily Mail about cancer research results, alcohol is still in the mixed camp, but leaning toward 'causes cancer'.

beer both causes and prevents cancer (1 prevents: 5 causes) - http://kill-or-cure.herokuapp.com/a-z/b#term52

wine both causes and prevents cancer (not counting dups - 14 prevents : 17 causes) - http://kill-or-cure.herokuapp.com/a-z/w#term234