Swedish study: Lower IQ Linked to Heavier Drinking in Young Men

A new study has found that a lower IQ is clearly associated with greater and riskier drinking among young men, PsychCentral reports.

However, researchers at the Karolinska Institutet in Stockholm, Sweden, note that the men’s poor performance on the IQ test may also be linked to other disadvantages.

“Previous results in this area have been inconsistent,” said Sara Sjölund, a doctoral student at the Karolinska Institutet and corresponding author for the study.

“In two studies where the CAGE questionnaire — a method of screening for alcoholism — was used, a higher cognitive ability was found to be associated with a higher risk for drinking problems.

“Conversely, less risk has been found when looking at outcomes such as, for example, International Classification of Diseases diagnoses of alcoholism, alcohol abuse, and dependence.”

“In this study of a general population, intelligence probably comes before the behavior, in this case alcohol consumption and a pattern of drinking in late adolescence,” added Daniel Falkstedt, Ph.D., assistant professor in the department of public health sciences at Karolinska Institutet.

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