Exposure to cold slightly increases caloric expenditure via thermogenesis (activation of brown fat followed by shivering), but this surplus remains minimal on a daily basis and in no way replaces physical activity for weight loss.

noli's read

The creator's explanation is scientifically accurate and very well-measured. A meta-analysis of randomized controlled trials (RCTs) published in Frontiers confirms that cold exposure stimulates brown adipose tissue and increases energy expenditure by an average of about 188 calories per day. This phenomenon combines non-shivering thermogenesis with involuntary muscle contractions if the temperature drops further. However, scientific literature reviews agree that this small boost does not guarantee sustainable weight loss. The body tends to compensate for this expenditure by increasing appetite or by metabolically adapting to the cold over time. The creator's emphasis on daily movement rather than cold exposure is therefore fully validated by research.

the sources

1. 1van Marken Lichtenbelt WD, Vanhommerig JW, Smulders NM, et al. 2009
2. 2Ouellet V, Labbé SM, Blondin DP, et al. 2012
3. 3Hanssen MJW, Hoeks J, Brans B, et al. 2015