Views Read Edit View history. Problem gambling is often defined by whether harm is experienced by the gambler or others, rather than by the gambler's behaviour. Purchasing a lottery ticket, entering a raffle or making a bet with a friend are also forms of gambling.gambling den dead frontier CAN YOU BEAT ROULETTE WHEEL Problem gambling is an urge to gamble continuously despite harmful negative consequences . Pathological gambling, as the part of obsessive-compulsive disorder, requires the higher doses of antidepressants as it usually required for Definition · Mechanism and biology · Diagnosis · Treatment. There are 2 dominant models of pathological gambling: as a nonpharmacologic addiction and as an obsessive-compulsive spectrum disorder. The data. In the past, the psychiatric community generally regarded pathological gambling as more of a compulsion than an addiction—a behavior primarily motivated by.