Parkinsonism drug link to gambling probed

Medical researchers are investigating suspicions that drugs prescribed to treat Parkinson's disease could turn patients into compulsive gamblers, the Washington Post reported on Sunday.

Scientists at the Food and Drug Administration have found a strong association between pathological gambling and the drugs, which boost the level of dopamine in the brain, according to the newspaper. Dopamine, a chemical naturally produced in the human body, plays a key role in the way the brain controls movements. A shortage of dopamine causes Parkinson's disease. But the chemical is also associated with addictive behaviors such as drug use and pleasurable experiences such as sex and food.

Researchers, according to the Washington Post, are looking into the possibility that drugs for treating Parkinson's are turning "some patients into obsessive pleasure seekers." But the article also said no firm links have been made between dopamine enhancers and compulsive gambling.

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