If you pick up an ordinary lottery ticket, it looks harmless compared to injectable drugs — but it can cause comparable harm. People have long noticed the corrupting influence of gambling: Plato and Aristotle criticized gambling as a vice leading to loss of self-control. In the Sigalovada Sutta, gambling is named as one of the causes of a person's downfall and is viewed as an activity that intensifies greed, attachment, and suffering. Gambling is explicitly prohibited by the Quran (5:90–91) as "an abomination from Satan's handiwork." It is no coincidence that in 1878 the US Supreme Court declared lotteries "a game that strips a person of their moral character" — but later, money won out anyway.
Why does the brain support risk-taking for uncertain reward? Evolution shaped the brain so that uncertainty itself intensifies motivation. In nature, resources are unpredictable, and if behavior extinguished after every failure, many animals simply would not have survived. As a result, uncertain reward became a powerful stimulus: the brain perceives unpredictability as a potential threat to survival and sharply amplifies dopamine-driven motivation.
This persistence is useful when we are mastering a skill. For example, learning to throw a ball into a basket: the first attempts fail, but the brain notices improvements — we miss closer and closer, receive a dopamine signal of progress, and maintain motivation. In a game of chance or online betting, things are different: the outcome does not depend on previous attempts, so a "near miss" is merely an illusion of progress, not learning.
From a neurobiological standpoint, gambling is the exploitation of the learning mechanism based on variable reinforcement: the brain begins to strive not toward winning as such, but toward the state of uncertain anticipation, which is accompanied by dopamine releases and can gradually become compulsive.
And this behavior is spreading extremely widely: casinos, betting, crypto, predictions, slot machines, sports betting, lotteries, the stock market and much, much more — all the way to the algorithms of the infinite feed in social networks.
The main problem is not simply the loss of money or time. It is the deformation of personality. Prolonged stimulation by easy dopamine destroys character, makes a person impulsive, reduces self-control, coarsens, leads to burnout, loss of interest in family, hobbies, and work, and diminishes empathy. As was wisely observed, "one of the greatest misfortunes that can befall a person is winning at the races in one's youth." Easy dopamine and the voluptuous anticipation of easy dopamine are the rust that eats away at a person's character. In the end, the casino always wins, and you always lose.
Instead of taking more risk on a screen — take more risk off of screens: go traveling, develop a skill, meet people, launch your own projects, start relationships. Where you apply real effort, learn to endure uncertainty, cope with the frustration of rejections and defeats, and develop skills — that is where your brain will be rewarded with good, useful dopamine.