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Gambling is a widespread recreational activity in which money or something else of value is risked on an event that is at least partly determined by chance and in which the hope is to win more than the initial investment. Most people who gamble do so without any problems, but a substantial subset develop a gambling disorder (see the box). The condition is also known as compulsive or pathological gambling.
Most people who gamble place a bet, or wager, on a game of chance or skill, such as a poker game or a football or horse race. In addition, some individuals make a bet with objects that have an actual value but which are not money, such as marbles or collectible trading card games like Magic: The Gathering. The gambling industry is a significant commercial endeavor, involving a wide range of employees from dealers and odds compilers to marketing and public relations personnel.
Research on gambling is conducted by a variety of scientists and clinicians, who often frame questions differently based on their disciplinary training, world views, and special interests. The result is that there is a considerable amount of disagreement among researchers about the nature and causes of gambling disorders.
Certain groups, such as adolescents and veterans, are at higher risk for developing a gambling disorder than the general population. Some of these individuals may be able to overcome their disorder through the help of friends and family, or by seeking professional help.
