Скачать или смотреть How a Disrupted Body Clock Could Increase Your Risk of Dementia | The Science Series

New research links disruptions in the body’s internal clock — circadian rhythm — to a higher risk of dementia. In a study of over 2,000 older adults, those with weaker, more irregular daily rest-activity patterns were nearly 2.5 times more likely to develop dementia over three years. Participants whose activity peaked later in the afternoon also faced a 45% increased risk.

Published in Neurology, the study used wearable monitors to track circadian strength and timing. While it doesn’t prove causation, the findings suggest that maintaining a strong, well-timed internal clock could be a modifiable factor in brain health as we age.

🕒 Key Takeaways:

Circadian Strength Matters: Weaker daily rhythms were strongly tied to dementia risk.

Timing Is Key: Later activity peaks (after 2:15 PM) raised risk vs. earlier peaks.

Possible Mechanisms: Disrupted rhythms may affect inflammation, sleep, and amyloid clearance in the brain.

Future Interventions: Light therapy and lifestyle adjustments could potentially lower risk.
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