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Number of People Starting ADHD Meds Is up 157% in Ontario: Study

A study shows stimulant prescriptions for ADHD in Ontario surged 157% from 2015 to 2023, driven mainly by adult females aged 18 to 44, with concerns about misdiagnosis.

  • Researchers at ICES reported a 157.2-per-cent rise in new stimulant prescriptions in Ontario from 2015 to 2023 using data from Ontario's Narcotics Monitoring System covering over 15 million residents.
  • Amid pandemic lockdowns, researchers say public awareness and social media discussion increased, while private virtual care clinics expanded, lowering diagnosis barriers and accelerating prescription growth.
  • The biggest change was among adult females, with females aged 25 to 44 experiencing a 421.3-per-cent increase and women 18 to 24 rising 368.7 per cent, Myran said.
  • Myran warned that some groups may face an unfavourable risk-benefit ratio, and study authors urged clearer clinical guidance to prevent harms from overdiagnosis.
  • This year, similar BC research found girls aged 10 to 14 had new prescriptions up 191 per cent while boys rose 67.5 per cent, and first-time adult diagnoses among 45 to 64 rose sharply, stressing health services and prescribers.
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34 Articles

Lean Left

Significantly more adults get the diagnosis of attention hyperactivity syndrome. Among them are more and more young women. Why it is still not a hype and which causes are behind it.

·Germany
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More and more adults get an ADHD diagnosis. Is there a social media hype behind it? Scientists have several explanations for the increase.

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Between 2015 and 2024, there was an increase of 199 percent, which is why and how experts assess social media contributions on the topic.

·Munich, Germany
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Global News broke the news in Toronto, Canada on Thursday, December 11, 2025.
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