US News & World Reports

Patients — 132 women and 23 men — who had undergone one of two commonly performed types of weight-loss surgery filled out questionnaires including items on their eating, smoking and recreational drug use before and after surgery. In general, use of such substances rose at the time of surgery with additional and incremental increases at one, three, six and 24 months after the procedure. Specifically, people who had a type of weight-loss surgery known as gastric bypass were at risk for increased alcohol use after the procedure.

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