Late meals and skipping breakfast raise dementia risk in Japan

A large, longitudinal study tracked over 280,000 older adults in Japan for up to five years. Researchers examined two common habits:

• Eating dinner close to bedtime
• Skipping breakfast frequently

Using data from health insurance claims, long‑term care records, and government checkups, the study found:

During the follow‑up period, 18,000+ people were diagnosed with dementia and 16,000+ died. Key findings:

• Those who ate late had a 17 % higher chance of developing dementia.
• Skipping breakfast increased the risk by about 13 %.

The analysis adjusted for age, gender, lifestyle factors, and existing health conditions. While causality cannot be confirmed, the study highlights a clear association between meal timing and brain health.

Implications:
Routine health checkups could identify risky eating patterns early. If more people adopt healthier meal schedules, dementia prevention efforts may improve.