Psychological risk, protection and support in the context of dementia

From the report

Nature Mental Health, Published online: 23 October 2026; doi:10.1038/s44220-026-00748-9Marchant et al. revisit the concept of psychological debt, synthesizing evidence that risk factors such as loneliness and repetitive negative thinking, alongside protective traits including purpose in life, may shape dementia risk. The Perspective highlights mechanisms, methodological challenges, and opportunities for psychologically informed dementia prevention.