A brain-training game that takes about 2 hours a week can reduce your risk of developing dementia by 25%, study finds

Speed training can lower your risk of developing dementia by 25%, according to a new study.

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• An online speed training game can lower your risk of developing dementia by 25%, a new study suggests.
• People who played memory and reasoning games didn't get the same long-term benefits.
• Researchers aren't sure why speed training is so good for your brain, but it might boost connectivity.

A groundbreaking new study suggests you may be able...