Gambling involves risking something of value on an event that is at least partially determined by chance. It can include betting on a football game, buying a scratchcard or playing poker. The risk is usually money, but can also be other things like property or social status. Gambling is a very addictive activity and people who are struggling with it should seek help.

Whenever you gamble, your brain releases dopamine, the neurotransmitter that makes you feel excited. It’s natural to only feel this when you win, but some people can’t control their gambling, even when they’re losing. This is because they are trying to recreate the euphoria of their first wins. The problem is that if you keep gambling, the chances of winning decrease, but you don’t realize this because your brain is still getting those dopamine hits.

In addition, chasing losses can lead to gambling addiction. People are much more sensitive to their losses than they are to their wins, so they’ll invest more time and money to try and recoup those losses. They may also fall victim to the gambler’s fallacy, which is thinking that they’re due for a big win and can get back all their lost money.

Other factors that can contribute to problematic gambling include: boredom susceptibility, impulsivity and lack of understanding about random events, use of escape coping and stressful life experiences. Defining what constitutes gambling is important as it allows for different laws and regulations to govern it.