A phone in every pocket, a sportsbook app on most of those phones, and a bet available on essentially any play, in any game, at any hour legal sports betting has reshaped gambling access faster than almost any previous expansion in the industry's history. The data on what that access has done to gambling disorder rates is now catching up, and it's worth taking seriously as a genuine behavioral addiction, not a lesser concern than substance use.
Since the Supreme Court's 2018 Murphy v. NCAA decision cleared the way for states to legalize sports betting, adoption has moved fast as of early 2026, sports betting is legal in 39 states and the District of Columbia. An estimated 64.5 million American adults bet on sports at least once a year, and mobile apps now account for the large majority of that activity, putting a bet a few taps away at essentially any moment.
A 2026 study tracking clinical diagnoses across states found that in states that legalized sports betting, the quarterly rate of diagnosed gambling disorder rose roughly 61% between 2018 and early 2026. In states that hadn't legalized it, the rate fell by about 29% over the same period a genuinely stark contrast that points toward legal access itself, not just underlying trend, as a meaningful driver. The increase was sharpest among adults 18 to 29, whose diagnosed rate more than doubled.
Beyond formal diagnoses, broader survey data suggests the scope of risk is considerably larger than clinical diagnosis rates alone capture research citing Pew and American Gaming Association data estimates that around half of online sports bettors report chasing losses, a core warning sign, with close to 20% showing patterns reaching the threshold of clinical gambling addiction.
Researchers studying gambling addiction point to a specific set of features that make mobile sports betting apps more habit-forming than traditional gambling formats:
- Constant availability no need to travel anywhere; the next bet is always seconds away
- Speed of outcome in-game "micro-betting" allows wagers on individual plays within a game, compressing the win/loss feedback loop dramatically compared to a single game-outcome bet
- Personalized targeting apps track individual betting behavior and can tailor promotions, odds, and notifications based on a specific user's patterns
- Frictionless deposits linked bank accounts and stored payment methods remove the natural pause that physical cash once provided
Young men remain the demographic with the sharpest rise in both usage and diagnosed harm, though rates have increased across every age group and both sexes. Notably, gambling exposure now starts considerably earlier than in previous generations survey data has found roughly one in four high schoolers reporting having gambled in the past year in at least one state-level survey, with problem-gambling rates among teens running several times higher than adult rates.
Gambling disorder was formally reclassified as an addictive disorder in the DSM-5 in 2013, placed in the same diagnostic category as substance use disorders reflecting research showing it activates similar reward-system pathways in the brain. Signs consistent with a clinical concern include:
- Needing to bet increasing amounts to achieve the same excitement
- Repeated unsuccessful efforts to cut back or stop
- Preoccupation with gambling, planning the next bet, or reliving past bets
- Gambling to escape stress or difficult emotions
- Chasing losses with larger bets
- Lying to others about the extent of gambling
- Jeopardizing relationships, jobs, or finances because of gambling
Treatment approaches overlap substantially with substance use disorder treatment, reflecting their shared classification and underlying reward-system mechanisms:
- Cognitive Behavioral Therapy (CBT) one of the more evidence-supported approaches, addressing distorted beliefs common in problem gambling (like the belief that a loss is "due" to be followed by a win)
- Support groups Gamblers Anonymous follows a 12-step model similar to substance-focused programs
- Financial counseling often a necessary, practical component given the financial damage gambling disorder frequently causes
- Self-exclusion programs most states and betting platforms offer voluntary self-exclusion tools that block access to betting accounts, a concrete harm-reduction step some people use alongside therapy
Frequently asked questions
Yes it was formally reclassified as an addictive disorder in the DSM-5 in 2013, based on research showing it activates similar brain reward pathways to substance use disorders.
Research tracking clinical diagnoses found a roughly 61% increase in diagnosed gambling disorder in states that legalized sports betting between 2018 and 2026, compared to a decline in states that hadn't a strong association, though it's one dataset among a growing body of research on the topic.
Constant availability, rapid in-game betting options, personalized targeting based on individual behavior, and frictionless payment methods are all cited by researchers as features that intensify the addictive potential compared to traditional, less accessible gambling formats.
Cognitive Behavioral Therapy, Gamblers Anonymous support groups, financial counseling, and self-exclusion programs are the primary components, often used in combination rather than individually.
Yes gambling disorder frequently co-occurs with substance use and other mental health conditions, and integrated treatment addressing both, similar to dual-diagnosis care, is generally recommended when this overlap is present.
Yes data shows the sharpest rise in diagnosed gambling disorder among adults 18 to 29, and survey data has found meaningful gambling participation among high school and college-aged populations, with problem-gambling rates notably higher in younger age groups.
This article was reviewed by the RehabsNearMe Editorial Team for accuracy, clarity, and relevance. Information may be sourced from publicly available treatment resources, government agencies, and healthcare references where applicable.
Last reviewed: August 2026
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