As described by Forum reviewer Skovenborg: ‘The present study highlighted the clustering of alcohol consumption with other demographic, lifestyle and dietary cancer risk factors, such as excess body weight (in men), tobacco use, and poor compliance with cancer-preventive dietary recommendations. The study managed to collect a very large number of men and women with moderate alcohol consumption and a sufficient number of non-drinkers as well. The study is essentially a study of confounding and of clustering of lifestyle habits. The difficult question is how to separate the drink from the drinker [Day NL. Alcohol and mortality: Separating the drink from the drinker (thesis).