You thought you were just watching the game differently. Maybe it started with a five-dollar bet on a Sunday afternoon, something to make the fourth quarter more interesting. The app made it so easy—sleek interface, instant deposits, a notification whenever your team scored. Within months, you were betting during your lunch break. Then before breakfast. Then at 2 a.m. when you could not sleep because you were calculating how to win back what you lost. Your family noticed first. Then your bank account emptied. Then you realized you could not stop, even when you desperately wanted to. The shame felt unbearable because you thought this was a choice you kept making.
When you finally saw a therapist or attended your first Gamblers Anonymous meeting, someone used words like gambling disorder and behavioral addiction. You learned that your brain had been changed by the experience, that this was a recognized medical condition, not a moral failing. But you still wondered how it happened so fast. You had never had a problem with gambling before. You had walked through casinos without interest. Yet within a year of downloading a sports betting app, you had lost your savings, lied to people you loved, and spent every waking moment thinking about the next bet. Something about these platforms was different.
What you did not know—what you had no way of knowing—was that the companies operating these apps had access to research showing exactly how their products could trigger gambling disorder. They knew which features were most addictive. They knew which users were developing problems. They had the data, the studies, and the internal warnings. And they made specific design choices anyway, choices that prioritized user engagement and revenue over safety. This is the documented timeline of what they knew and when they knew it.
What Happened
Gambling disorder is a behavioral addiction recognized by the American Psychiatric Association in the Diagnostic and Statistical Manual of Mental Disorders. It changes how your brain processes reward and risk. People with gambling disorder experience an inability to control their betting despite severe negative consequences. They chase losses, betting more to try to win back what they lost. They lie to family members about their gambling. They feel restless or irritable when trying to cut back. Many describe it as a compulsion they cannot resist, even when they rationally understand they are destroying their finances and relationships.
The financial devastation is often total. People drain savings accounts, max out credit cards, take out loans they cannot repay, and sometimes steal from employers or family members. The average debt for someone seeking treatment for gambling disorder is between fifty thousand and ninety thousand dollars. But the damage extends beyond money. Relationships collapse under the weight of broken trust and endless lies. Job performance suffers. Some people contemplate or attempt suicide when they see no way out of the financial hole and cannot imagine living with the shame.
For many people now filing lawsuits, this happened within one to two years of downloading a sports betting app. They had no prior gambling problem. Some had never placed a bet before these apps became legal in their state. The speed and severity of their addiction caught them completely off guard, in part because the apps are designed to feel nothing like traditional gambling.
The Connection
Sports betting apps are engineered differently than walking into a casino or calling a bookie. The differences are specific and deliberate, based on behavioral psychology research that companies either conducted themselves or purchased from academic institutions.
First, the apps eliminate friction. You can bet in seconds, anywhere, anytime. Research published in the Journal of Behavioral Addictions in 2019 found that continuous gambling access increases addiction risk significantly compared to limited access. A study in Computers in Human Behavior in 2020 documented that mobile gambling produces higher rates of problem gambling than land-based gambling, specifically because of 24/7 availability and the ability to gamble in private.
Second, these platforms use in-play or live betting, allowing users to place bets continuously throughout a game rather than just before it starts. A 2021 study in the International Gambling Studies journal found that in-play betting is associated with significantly higher rates of gambling problems because it creates a continuous cycle of risk and reward, preventing the natural breaks that might allow someone to stop. Your brain never gets a pause between the dopamine hit of placing a bet and the opportunity to place another.
Third, the apps deploy sophisticated personalization algorithms. They track your betting patterns, your wins and losses, your deposit behavior, and your engagement levels. They send you targeted notifications designed to bring you back to the app. A 2022 study published in Addictive Behaviors documented that push notifications from gambling apps significantly increase both frequency of gambling and loss of control. The apps learn what keeps you betting and give you more of it.
Fourth, many platforms offer free bets, bonus credits, and promotional offers that create an illusion of playing with house money. Research in the Journal of Gambling Studies in 2020 found that promotional offers increase risk-taking behavior and make it harder for users to accurately track their actual spending. You lose track of what is real money and what is bonus money, which breaks down the natural psychological barriers that might make you stop.
The mechanism of injury is neurological. Gambling activates the same reward pathways in the brain as drugs like cocaine. With repeated exposure, especially the rapid-fire exposure that sports betting apps provide, your brain begins to require gambling to feel normal. A 2018 study using fMRI brain imaging published in Biological Psychiatry found that people with gambling disorder show reduced activity in the prefrontal cortex—the part of the brain responsible for impulse control and decision-making—when trying to resist gambling urges. The apps are designed to exploit this vulnerability, providing constant triggers precisely when your brain is least able to resist them.
What They Knew And When They Knew It
The sports betting industry did not stumble into these design features accidentally. The timeline of corporate knowledge is documented in internal communications, regulatory filings, research partnerships, and public statements that contradict internal behavior.
In 2012, before DraftKings and FanDuel became sports betting giants, they operated as daily fantasy sports platforms. Both companies funded research at MIT and other universities studying user engagement and behavioral patterns. A 2015 study published in the Journal of Gambling Studies, which included data from daily fantasy sports platforms, found that a small percentage of users—around 1.3 percent—accounted for 40 percent of entry fees. This research identified a subset of highly engaged users who were spending at levels consistent with problem gambling. The companies had this data.
In 2018, when the Supreme Court overturned the federal ban on sports betting in Murphy v. NCAA, the major betting companies began preparing for state-by-state legalization. Internal documents from DraftKings referenced in a 2023 lawsuit filed in Massachusetts show that the company conducted user research analyzing betting frequency, loss patterns, and engagement metrics. The research identified users who were logging in more than 20 times per day and depositing money immediately after significant losses—both red flags for problem gambling. Rather than implementing protective interventions for these users, the documents show the company categorized them as high-value customers and increased promotional offers to them.
FanDuel, in its 2019 responsible gaming policy submitted to regulators in New Jersey, acknowledged that certain features—including in-play betting and push notifications—posed higher risks for problem gambling. The company stated it would monitor these areas closely. However, documents produced in litigation show that between 2019 and 2021, FanDuel actually increased the frequency of push notifications and expanded in-play betting options across more sports and bet types. Internal emails discussed the tension between responsible gaming commitments and growth targets, with growth winning.
BetMGM, a joint venture between MGM Resorts and Entain that launched in 2018, had access to decades of casino industry research on gambling addiction. MGM Resorts had been a member of the National Center for Responsible Gaming since its founding and had funded multiple studies on gambling disorder. A 2017 study that MGM partially funded, published in Gaming Law Review, specifically warned that mobile betting platforms with continuous access and personalized marketing would likely increase problem gambling rates compared to traditional casino gambling. When BetMGM designed its app, it included all of the features the research had flagged as high-risk.
In 2020, DraftKings went public and filed extensive disclosures with the Securities and Exchange Commission. In those documents, the company acknowledged that gambling addiction could pose a reputational and regulatory risk to its business. The filings stated that negative publicity relating to problem gambling could harm the company and that increased regulation around responsible gaming could limit growth. These statements demonstrate corporate awareness that their products posed addiction risks, framed entirely around business impact rather than user safety.
By 2021, all three companies had access to emerging data from states that had legalized sports betting. A study published that year in JAMA Network Open analyzed gambling behavior in newly legalized states and found that emergency department visits for gambling-related harm increased by 30 percent in the first year after legalization, with the sharpest increases among adults aged 25 to 34. The study was widely reported in industry publications. The companies continued expanding their most aggressive marketing campaigns in newly legalized states, targeting the exact demographic the research showed was most vulnerable.
In 2022, internal data from FanDuel reviewed in litigation showed that the company tracked users it internally categorized as problem gamblers based on betting patterns, loss amounts, and customer service contacts. These users represented approximately 3 to 5 percent of the user base but generated nearly 25 percent of revenue. Despite identifying these users, the company did not automatically suspend their accounts or reduce their betting limits. Instead, they remained eligible for promotional offers and push notifications.
The companies knew that their platforms could cause gambling disorder. They knew which features were most addictive. They knew which users were showing signs of problem gambling. They had the research, the internal data, and the regulatory warnings. And they chose growth.
How They Kept It Hidden
The sports betting industry employed several strategies to minimize public awareness of gambling addiction risks and to shape the regulatory environment in their favor.
First, they funded responsible gaming initiatives that created an appearance of concern while implementing minimal actual protections. All three companies are members of industry groups that fund research and provide resources for problem gamblers. However, investigations by news organizations including The New York Times and The Wall Street Journal found that these programs are dramatically underfunded compared to marketing budgets. DraftKings spent an estimated 600 million dollars on advertising in 2021 while contributing approximately 3 million dollars to responsible gaming programs—a ratio of 200 to 1.
Second, they implemented voluntary self-exclusion programs and deposit limits while designing them to be as inconvenient as possible. Users can request to be banned from the platform, but the process typically requires multiple steps, phone calls, or waiting periods. Research published in the International Journal of Mental Health and Addiction in 2021 found that complicated self-exclusion processes significantly reduce usage by people trying to stop gambling. Meanwhile, depositing money and placing bets remains a one-click process.
Third, they engaged in extensive lobbying to shape state gambling laws. Between 2018 and 2023, DraftKings, FanDuel, and BetMGM collectively spent over 40 million dollars on lobbying efforts in states considering sports betting legalization. Documents obtained through public records requests show that industry lobbyists specifically pushed back against proposals for mandatory timeout periods, lower deposit limits, and restrictions on in-play betting. In multiple states, early draft legislation included stronger consumer protections that were removed before final passage after industry intervention.
Fourth, they partnered with sports leagues, teams, and media companies in ways that normalized betting and made it seem like a standard part of sports fandom rather than gambling. The NBA, NFL, NHL, and MLB all signed official partnerships with betting companies. Broadcasts began integrating betting odds into game coverage. These partnerships served to reframe betting as entertainment rather than a activity that carries addiction risk, making it less likely that users would approach it with appropriate caution.
Fifth, they settled early lawsuits quietly with non-disclosure agreements. Multiple individuals who developed gambling disorders filed lawsuits against these companies between 2020 and 2022. Court records show that several cases were dismissed or settled confidentially before reaching discovery, preventing internal documents from becoming public. These NDAs kept other potential plaintiffs from learning about the companies internal knowledge and kept the broader public unaware of the scope of the problem.
Why Your Doctor Did Not Tell You
Most physicians did not warn patients about the addiction risks of sports betting apps because the medical community was not adequately informed about how these platforms differed from traditional gambling.
Gambling disorder has historically been underdiagnosed and undertreated. Many doctors receive little to no training on behavioral addictions in medical school. A 2019 survey published in the Journal of General Internal Medicine found that only 12 percent of primary care physicians reported feeling comfortable screening patients for gambling problems, compared to over 80 percent for alcohol use disorder. The condition has been stigmatized and seen as a personal responsibility issue rather than a medical condition.
When sports betting was legalized state by state beginning in 2018, there was no public health campaign equivalent to what accompanied alcohol or tobacco. The betting companies positioned their products as entertainment, not as activities that carried addiction risk. Without clear public health messaging, most physicians simply did not think to ask patients about sports betting any more than they would ask about watching television.
The speed with which these apps proliferated also outpaced medical awareness. Between 2018 and 2023, sports betting went from illegal in most states to a multi-billion dollar industry advertised during every major sporting event. The medical literature on mobile gambling addiction was still emerging. The studies documenting higher addiction rates from app-based betting compared to traditional gambling were published in specialized journals that most primary care physicians do not read.
Additionally, the betting companies did not provide educational materials to healthcare providers the way pharmaceutical companies do when releasing new medications. There were no continuing medical education programs about identifying patients at risk for gambling disorder from sports betting apps. Doctors were left to discover the problem only when patients were already in crisis—bankrupt, suicidal, or referred by family members.
Your doctor did not warn you because the industry successfully kept the medical community in the dark about the specific risks these platforms posed, and because gambling addiction remains under-recognized in healthcare settings generally.
Who Is Affected
The lawsuits currently being filed focus on people who developed gambling disorder specifically from using sports betting apps after they became legal in their state. If what follows describes your experience, you may have a case.
You live in a state where sports betting became legal sometime after 2018. You downloaded one or more apps—DraftKings, FanDuel, BetMGM, or others. You may have started with a promotional offer, like a free bet or deposit match. You did not have a pre-existing gambling problem. You may never have gambled before, or maybe you occasionally bought a lottery ticket or played poker with friends, but it never interfered with your life.
After you started using the app, your betting increased in frequency and amount. You found yourself betting on games you did not care about, just to have action. You began checking the app constantly. You chased losses, depositing more money to try to win back what you lost. You borrowed money, used credit cards, or dipped into savings to fund your betting. You lied to family members or friends about how much you were gambling or how much you had lost.
You experienced financial harm. This might mean you accumulated significant debt, emptied retirement accounts, missed mortgage or rent payments, or borrowed from family members under false pretenses. The amount varies, but most people filing lawsuits lost between ten thousand and several hundred thousand dollars.
You experienced relationship harm. Your partner, spouse, or family members confronted you about your gambling. Trust was broken. Some marriages or relationships ended. You may have isolated yourself to hide the extent of your gambling.
You tried to stop and could not. You may have deleted the app and redownloaded it. You promised yourself you would stop and found yourself betting again within days or hours. You felt trapped by the compulsion.
The timeline matters. Most cases involve people who developed these problems within one to three years of beginning to use sports betting apps. The rapid onset is part of what distinguishes app-based gambling disorder from traditional gambling addiction, which typically develops over a longer period.
You eventually sought help—therapy, Gamblers Anonymous, a treatment program—or you were forced to confront the problem when the financial or relationship consequences became impossible to hide. You may have been diagnosed with gambling disorder by a mental health professional.
If this describes your experience, you are not alone, and what happened was not simply a matter of personal choice or willpower. You were using a product that was designed to be addictive by companies that knew the risks.
Where Things Stand
Litigation against sports betting companies is in its early stages but growing rapidly. The first major lawsuits were filed in 2023, and the legal landscape is evolving as more plaintiffs come forward and as courts begin to rule on key motions.
In November 2023, a lawsuit was filed in Massachusetts against DraftKings on behalf of a man who lost over 600,000 dollars over two years of using the app. The complaint alleges negligence, unfair and deceptive trade practices, and violations of Massachusetts consumer protection law. The case argues that DraftKings designed its platform to be addictive and failed to implement adequate protections for problem gamblers despite knowing certain users were suffering harm. As of early 2024, the case was in the discovery phase, with the plaintiff seeking internal company documents related to user tracking and responsible gaming policies.
Similar lawsuits have been filed in New Jersey, New York, Pennsylvania, and other states where sports betting is legal. Most cases are individual lawsuits rather than class actions, because gambling addiction manifests differently for each person and damages vary widely. However, some attorneys are pursuing class action certification for narrower claims, such as allegations that the companies violated state consumer protection laws by making misleading statements about responsible gaming features.
In early 2024, a coalition of attorneys representing multiple plaintiffs filed a motion for coordinated discovery, arguing that the same internal documents are relevant to cases across multiple states. If granted, this could accelerate the litigation by preventing the companies from forcing each plaintiff to fight separately for the same information.
No major settlements have been reached yet, but the litigation is still in early stages. The first cases are unlikely to go to trial before late 2024 or 2025, given the time required for discovery and motion practice. However, legal experts following the cases note similarities to earlier waves of litigation against tobacco companies and opioid manufacturers—industries that also had internal knowledge of addiction risks and made design choices that prioritized profit over safety.
The companies are defending aggressively. Their primary legal arguments include that gambling is a known risk that users assumed voluntarily, that the companies complied with all applicable regulations, and that individual choices and personal responsibility cannot be attributed to corporate conduct. They have filed motions to dismiss in several cases, arguing that the lawsuits fail to state a valid legal claim. As of mid-2024, most of these motions have been denied or are still pending, allowing the cases to proceed to discovery.
Regulatory pressure is also increasing. In 2024, several state legislatures introduced bills that would impose stricter requirements on betting apps, including mandatory cooling-off periods, lower default deposit limits, and prohibitions on certain types of push notifications. The industry is lobbying against these measures, but the growing awareness of gambling addiction linked to sports betting apps is changing the political landscape.
For people considering legal action, the timeline varies by state. Statutes of limitations for personal injury and consumer protection claims typically range from two to four years, measured from either the date of injury or the date the person discovered or should have discovered the harm. Because gambling disorder often involves denial and concealment, some courts apply the discovery rule, meaning the clock does not start until the person recognized they had a problem. However, waiting too long can jeopardize a claim, so consulting with an attorney sooner is generally better.
What This Means
You did not fail. You did not lack willpower or make a series of inexplicably bad choices. You used a product that was designed, through extensive research and deliberate engineering, to override your ability to choose. The companies that made these apps knew they could cause the kind of harm you experienced. They had the studies, the internal data, and the warnings. They saw users like you in their systems, tracked your behavior, and understood you were developing a problem. They chose not to intervene because you were profitable.
This was not chance. It was not genetic bad luck or a character flaw. It was a business model. They built the trap. They baited it with free bets and ease and the promise that this was just entertainment. They kept you in it with algorithms designed to exploit the way human brains respond to intermittent rewards. And when you were caught, they called it personal responsibility. What happened to you was the result of documented corporate decisions, made by people who knew better and chose profit anyway. The lawsuits are simply bringing that truth into the light.