New research indicates that chronic insomnia can accelerate brain aging and increase the risk of dementia by 40%. The study, involving 2,750 older Americans, found that those with insomnia experienced sharper declines in cognitive abilities and brain health. While insomnia is linked to cognitive issues, the study does not prove causation. It highlights the need for further research and emphasizes the importance of treating insomnia for better brain health. Teljes cikk (Euronews.com)