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Cold acclimation and brown fat in humans
RCT demonstrating 6 weeks of daily cold exposure (1 hour at 17°C) increased brown adipose tissue activity by 65% and improved metabolic rate in healthy adults.
Brown Fat Adaptation
- BAT activity: +65%
- Resting metabolic rate: +7%
- Cold tolerance: significantly improved
Dose-Response
Daily exposure required for maximal adaptation; benefits plateau at 6 weeks.
Outcomes
- Brown Adipose Tissue (BAT) Activity65
- Resting Metabolic Rate (RMR)7