Is addictive behaviour linked to you genes?


A recent study from The North American Foundation for Gambling Addiction Help reports that approximately 2.6% of the US population has a gambling problem – that’s over 8 million people.

The stats are similar over on the other side of the Atlantic – another study found that the rate of problem gambling in Europe is between 0.5 – 3%. The problem is so widespread that gambling addiction was recently recognized as a medical condition by the UK’s National Health Service.

Addiction of any kind is a complicated issue involving sever factors. But a growing number of people believe that when it comes to gambling addiction, there may a strong connection between compulsive behavior and your genes. Could gambling addiction one day be diagnosed with a simple DNA test? It’s too soon to tell now, but two different experiments have found a connection.

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Addiction is a brain disorder characterized by compulsive engagement in rewarding stimuli despite adverse consequences. Despite the involvement of a number of psychosocial factors, a biological process—one which is induced by repeated exposure to an addictive stimulus—is the core pathology that drives the development and maintenance of an addiction. The two properties that characterize all addictive stimuli are that they are reinforcing (i.e., they increase the likelihood that a person will seek repeated exposure to them) and intrinsically rewarding (i.e., they are perceived as being inherently positive, desirable, and pleasurable).

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