Parent addicted to gambling? Odds are you may be too

Wed Jun 9, 2010 8:47pm EDT
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SYDNEY (Reuters Life!) - The odds are high that if one of your parents is addicted to gambling, you may be too, according to a new study of Australian twins.

Scientists have found that genes play a role in a number of addictions and gambling is no exception, the researchers said in their study published in the June issue of the Archives of General Psychiatry.

"Previous research in men showed that gambling addiction can run in the family," researchers Wendy Slutske of the University of Missouri, told Reuters Health. "This study extends those finding to include women."

By studying identical and fraternal twins, Slutske and colleagues from the Queensland Institute of Medical Research in Brisbane, Australia, were able to tease out the different impacts of genetic and environmental factors on addiction.

The team asked more than 2,700 women and 2,000 men from the Australian Twin Registry questions about their gambling, and also questioned their friends.

Almost all the study members gambled to some degree but the men were twice as likely as women to be gambling addicts.

Thirty-four of the women (about one percent) met five or more of the criteria for problem gambling, compared with 70 of the men (about three percent). These differences may be explained by social or environmental influences, since as the authors point out, gambling addiction is five times more common in Australia than in the United States.

Slutske and her colleagues found that "if your twin has a gambling problem, you're more likely to develop one too if you're an identical twin than if you're a fraternal twin."

That suggested that shared genes play a role.   Continued...

<p>Casino chips are displayed during the Global Gaming Expo Asia in Macau June 9, 2010.REUTERS/Tyrone Siu</p>