Acute cold exposure changes glucose handling and blood fats in men with obesity
A laboratory experiment found better glucose tolerance alongside higher triglycerides; the abstract provides no evidence about lasting clinical benefits.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In a small laboratory study of young men with obesity, cold exposure lowered fasting glucose and improved glucose tolerance compared with a thermoneutral condition. Insulin-secreting cells showed a greater response, while blood triglycerides increased. These were immediate metabolic measurements; the abstract does not establish lasting improvements in diabetes risk, weight or health.
The abstract gives no effect estimates or uncertainty intervals. Acute findings in young men with obesity and no other chronic illnesses do not establish effects in other groups or during repeated exposure.
What researchers found
Glucose tolerance under laboratory testing
Cold exposure for 5 hours at 16.0°C versus thermoneutrality at 25°C in the same participants; effect size was not reported.
What the comparison isolates
Each participant experienced cold and thermoneutral conditions, allowing a comparison within individuals. Researchers measured glucose responses, blood lipids and hormones, focusing on immediate metabolic changes during a controlled laboratory experiment.
Mechanisms remain an interpretation
Cold exposure also increased noradrenaline and expression of selected lipid-related genes. The authors propose a mechanism involving brown fat's energy demands, but the abstract does not establish that mechanism as the explanation.
The original publication
Acute Cold Exposure Improves Glucose Tolerance and Induces Beta-Cell Secretion Response Linked to Lipid Utilization in Young Male with Obesity.
Chamorro R, Bertozzi B, Backhaus J et al.
Exp Clin Endocrinol Diabetes · 2025
- PubMed ID
- 41125105
- Record checked
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