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Brain Training Reduces Dementia Risk by 25%, Study Finds

A 20-year randomized trial found that speed training with boosters reduced dementia risk by 25% in older adults, while memory and reasoning training showed no long-term benefit.

  • A computer game that tested the ability to recognize images in faster sequences reduced the risk of dementia by 25% in people over 65.
  • Participants had to click on the correct vehicle and location of a Route 66 sign shown briefly among distracting road signs.
  • The 25% reduced risk was only for those who had the original training and booster sessions, not those without boosters.
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Brain game may reduce risk of Alzheimer's and other dementias

A certain type of brain training appears to prevent or delay dementia by some 25% in people older than age 65, according to new research.

·Pittsburgh, United States
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Lean Left

A new, major 20-year study has found that certain types of mental exercise can reduce the risk of developing Alzheimer's disease and other forms of dementia — but not all exercise equally.

·Belgrade, Serbia
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NBC Dallas-Fort Worth broke the news in Fort Worth, United States on Monday, February 9, 2026.
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