New Research Suggests Problem Gambling is Genetic
People who are addicted to gambling may have a genetic predisposition that leads them to risk-taking behavior, the first scientific study of its kind has found. Addiction may also change people’s brains to become more sensitive to the thrill of betting, the researchers found.
For the first time, researchers took a group of people with gambling disorder, now recognized as a treatable addiction, and compared them with their siblings who were not addicted and with a control group. They discovered that the siblings were bigger risk takers and more impulsive than a control group, which is seen as evidence of a genetic predisposition to gambling.
The people who were experiencing problem gambling and their siblings were more likely to act impulsively in the face of negative emotions, and placed larger bets when they faced higher-risk odds.
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