A wine a day associated with lower risk of depression

August 30, 2013
Wine

Drinking wine in moderation may be associated with a lower risk of developing depression, according to research published in Biomed Central's open access journal BMC Medicine. The reported findings by the PREDIMED research Network suggest that the moderate amounts of alcohol consumed may have similar protective effects on depression to those that have been observed for coronary heart disease.

Alcohol consumption around the world is increasing, and previous studies have shown that heavy alcohol intake is related to , such as depression. Few studies have looked at the relationship between mental health and . In a new article in BMC Medicine, researchers report on a cohort study that followed over 5,500 light-to- for up to seven years. The results show an inverse relationship between alcohol intake and incidence of depression.

The study participants are from the PREDIMED study, aged between 55 and 80 years old, had never suffered from depression or had alcohol-related problems when the study started. Their , mental health and lifestyles were followed for up to seven years through yearly visits, repeated medical exams, interviews with dieticians and questionnaires.

The main alcoholic beverage drunk by the study participants was wine. When analysed, it was shown that those who drank moderate amounts of wine each week were less likely to suffer from depression. The lowest rates of depression were seen in the group of individuals who drank two to seven small glasses of wine per week. These results remained significant even when the group adjusted them for lifestyle and social factors, such as smoking, diet and marital status.

Professor Miguel A. Martínez-González, from the University of Navarra (Spain), senior author of the paper, said, 'Lower amounts of alcohol intake might exert protection in a similar way to what has been observed for coronary heart disease. In fact, it is believed that depression and share some common disease mechanisms.' Previous studies have indicated that non-alcoholic compounds in the wine, such as resveratrol and other phenolic compounds, may have protective effects on certain areas of the brain.

Explore further: Drinking alcohol to lower the risk of venous thrombosis?

More information: Gea, A. et al. Alcohol intake, wine consumption and the development of depression: the PREDIMED study, BMC Medicine (in press).

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