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A new study from the Institute for Clinical Evaluative Sciences reports that emergency department visits related to gambling disorders in Ontario have increased by 99% since the expansion of online betting and legalization of single-event sports betting several years ago. The research, published in the American Journal of Preventive Medicine, analyzed data from January 2012 to September 2025 and found a significant rise among males aged 10 to 44, with visits being 154% higher than expected for those aged 10 to 29 and 116% higher for those aged 30 to 44. The study attributes this increase to the rapid expansion of private online gambling sites in Ontario since August 2021, which now host over 80 legal gaming and betting sites with 2.1 million active player accounts that made $63 billion in wagers during the 2023-2024 period.
Written by the local model on 2026-09-16,
using this article's own text rather than the other coverage of the
same event (that is the story summary below).
Claims extracted
13
claim-shaped sentences
Uncertain
15%
2 of 13 hedged
Leaning
Leans left
of the writing, not the subject
Correction & hedging signals
56.2
corrections and hedging in what we collected;
not a measure of accuracy
Outlets on this story
2
Health
Narrative spread
1
articles carrying this framing
Story summary
A new study from The Institute for Clinical Evaluative Sciences reveals a significant increase in gambling-related emergency department visits in Ontario, particularly among boys and men aged 10 to 44. The research, published in the American Journal of Preventive Medicine, analyzed data from January 2012 to September 2025 and found that these visits have doubled since the expansion of online gambling and legalization of single-event sports betting by the federal government in August 2021. Among males aged 10 to 29, there was a 154% higher number of gambling-related ER visits than expected, while for those aged 30 to 44, it was 116% higher. No significant changes were observed among females during the study period.
Written for “Gambling ER Visits Rise Ontario” on 2026-09-17,
grounded in this article and the 1 other(s) covering the same event.
Why this leaning score
The article's own words the score was based on. Each is quoted
verbatim and was checked against the article text before being
stored, so you can find it in the original.
-
A new study suggests emergency department visits for gambling disorders have doubled in Ontario since the expansion of online gambling and legalization of single-event sports betting a few years ago.
left attributes increase in gambling-related issues to policy changes
-
The researchers say the private gambling market in Ontario has expanded rapidly over the last few years and more than 80 privately operated legal gaming and betting sites have been licensed in the province.
left criticizes expansion of private gambling industry
-
They say private gambling sites hosted 2.1 million active player accounts that made a total of $63 billion in wagers in 2023/2024.
left highlights scale and impact of online gambling
Leaning score -0.50 for article 13902 (medium confidence, 3 verified quotes) · logged 2026-09-16
A new study suggests emergency department visits for gambling disorders have doubled in Ontario since the expansion of online gambling and legalization of single-event sports betting a few years ago.
uncertain
visits → suggest → betting
The Institute for Clinical Evaluative Sciences says it analyzed data from January 2012 to September 2025 and found an increase in gambling-related emergency department visits among boys and men between the ages of 10 to 44.
asserted
it → say → 44
The researchers examined a total of 952 emergency department visits for gambling disorders made by 757 individuals during the study period and noted an overall increase of 99 per cent than what was expected before the relaxation of gambling rules.
asserted
what → examine → rules
The study found that by the end of the study period, the number of gambling-related ER visits was 154 per cent higher than expected among males aged 10 to 29, and 116 per cent higher among males aged 30 to 44.
asserted
number → find → males
It says no significant changes in gambling-related hospital visits were found among females during the study period.
asserted
changes → say → period
The study, published in the American Journal of Preventive Medicine, says the rise followed the legalization of single-event sports betting by the federal government in August 2021 and allowing private companies in Ontario to offer online gambling eight months later.
asserted
companies → publish → gambling
‘Maddening’: Family of Winnipeg woman who died after lengthy hospital wait calls for change
-
asserted
who → die → change
Saskatchewan health-care workers vote 99% in favour of job action: CUPE
- Patients face challenges when seeking medical care not offered in Nova Scotia: audit
asserted
Patients → vote → Scotia
- Nova Scotia aims to reduce mammogram wait times, enhance women’s health care
asserted
Scotia → aim → care
The researchers say the private gambling market in Ontario has expanded rapidly over the last few years and more than 80 privately operated legal gaming and betting sites have been licensed in the province.
asserted
sites → say → province
They say private gambling sites hosted 2.1 million active player accounts that made a total of $63 billion in wagers in 2023/2024.
asserted
that → say → 2023/2024
A separate study published earlier this year suggested that the rate of young men contacting Ontario’s mental health helpline for gambling-related problems increased by more than 300 per cent after the province allowed private online gambling.
uncertain
province → publish → gambling
The researchers behind that study, published in the Canadian Medical Association Journal, said the findings highlight a need for stronger harm-reduction measures and more access to treatment.
asserted
findings → publish → treatment
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