Gambling involves placing something of value, usually money, on an uncertain event with a chance of winning. It can also involve the use of skill, such as card playing strategies or knowledge of horses and jockeys, to increase the odds of winning. Many people gamble as a social activity and enjoy it in moderation. However, a small group of individuals become too involved in gambling, to the point where it has negative psychological, family, and financial consequences for them. These individuals are described as pathological gamblers.

While some of the reasons people gamble include mood change and the dream of a jackpot win, studies have found that most people gamble for other reasons: excitement, socializing, or relief from stress. When people win, their brains release dopamine, a neurotransmitter that makes them feel good. But this same chemical is released when people lose, so some people have trouble recognizing that they’re losing and stopping.

Problem gamblers are at increased risk for suicide compared to those who do not have a gambling disorder. To avoid these problems, be sure to play with only the amount of money you are willing to lose and know when to stop. Always tip casino staff, either by handing them a chip and saying “This is for you,” or placing a bet for them. It is also important to limit the number of free cocktails you drink, and never believe you are due for a big win to make up for past losses (called “chasing”). This is how gambling can spiral out of control and lead to serious financial problems.