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Alcohol, energy drink mix tied to urge to drink (2014-07-28)

Mixing alcohol and energy drinks increases the urge to drink more than drinking alcohol alone, according to a new study from Australia.
The findings suggest that people who mix alcohol and energy drinks may end up drinking more alcohol than they intended.

 


 

Seventy-five participants aged 18 to 30 years were assigned to an alcohol only or alcohol+energy drink condition in a double-blind randomized pre-versus posttest experiment.
Participants received a cocktail containing either 60 ml of vodka and a Red Bull® Silver Edition energy drink (alcohol+energy drink condition) or 60 ml of vodka with a soda water vehicle (alcohol-only condition); both cocktails contained 200 ml of fruit drink.
The primary outcome measure was the Alcohol Urge Questionnaire taken at pretest and at 20 minutes (posttest).
Other measures taken at posttest were the Biphasic Alcohol Effects Questionnaire, the Drug Effects Questionnaire, and breath alcohol concentration (BAC).

The participants answered a series of questions before they drank their cocktail and again 20 minutes afterward.

Those who drank the cocktail containing vodka and the energy drink reported a greater urge to drink afterwards than those who drank the cocktail of vodka and soda water. That was especially true among the test subjects who had higher blood alcohol levels, the researchers found.
Combining energy drinks with alcohol increased the urge to drink alcohol relative to drinking alcohol alone. More research is needed to understand what factors mediate this effect and whether it increases subsequent alcohol consumption.

See also
FDA Warning Letters issued to four makers of caffeinated alcoholic beverages: these beverages present a public health concern (19/11/2010)

For more information
Alcoholism: Clinical & Experimental Research, online July 17, 2014.
The Effect of Energy Drinks on the Urge to Drink Alcohol in Young Adults

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