Long-term poor metabolic health linked to thinking problems
A cognitive test indicated impairment in 15.5% of the persistently metabolically unhealthy group versus 9.8% of the healthier group after a median 12.4 years.
12.4 years
Limit: Thinking problems could precede poor metabolic health; cognition was tested only at the final visit
Edited by Boris Djordjevic · AgingResearch.News
An observational cohort study followed 1,334 middle-aged and older Chinese adults whose average age at enrollment was 57.5 years; 30.7% were men. Researchers used body size, blood fats, blood sugar and blood pressure measurements from four visits over a median 12.4 years. They identified 270 people with relatively persistent poor metabolic health and 1,064 with relatively persistent good metabolic health.
The poorer-health group scored lower on a thinking and memory test at the final visit. Among 752 participants with brain scans, poorer metabolic health was associated with smaller volumes of several brain regions. Blood analyses linked 11 proteins to the poorer-health pattern. In a 584-person subgroup, they also linked 31 metabolites—small molecules involved in the body's chemistry—to that pattern.
Why it matters
The authors suggested that understanding metabolic health patterns through aging may help improve health management for aging populations and identify potential treatment targets.
Caveats
The observational design cannot establish cause and effect, and cognition was tested only at the final visit. Participants lived in urban Guangzhou, and the analysis excluded people who reported cancer, limiting applicability to other populations.
- Amino acid metabolism
- Immune response
- Cognitive impairment
- Addenbrooke's Cognitive Examination-Revised
- Hypertension
- Humans
The paper
Sun Yat-sen University
BMC Medicine, Jun 16, 2026, Open access
