Energy intake and energy expenditure are minimally impacted by acute cold exposure in individuals living with obesity
Authors' conclusion
Although both energy expenditure and intake significantly changed, CE caused minimal impacts to energy balance in individuals living with obesity. When combined with the high levels of discomfort, these results question the efficiency of CE as an intervention able to produce meaningful changes in body weight and composition in individuals living with obesity.
Study context
- Population
- Individuals living with obesity (18 males)crossover
- Participants
- 47 individuals
- Comparison
- 90-min cold exposure vs control
Methodological detailstwo experimental sessions
- Two experimental sessions
Primary result
As reported in the abstract
Energy expenditure, energy intake and appetite
Increase in energy expenditure over 90 min with cold exposure (CE)
18%
Increase in lunch energy intake after CE
10%
Further findings
| Outcome | P value |
|---|---|
| Food reward: low-fat sweet foodsDecrease in rewarding value with CE | P < 0.05 |
| Appetite-related peptidesCE vs Control · leptin decreased with CE | P = 0.004 |
| Appetite-related peptidesCE vs Control · GLP-1 increased with CE | P = 0.003 |
Safety
- Thermal comfort and sensation both decreased significantly during exposure
- P < 0.001
Original publication
Energy intake and energy expenditure are minimally impacted by acute cold exposure in individuals living with obesity. Int J Obes (Lond). Published 23 May 2025. doi:10. 1038/ s41366-025-01809-2
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