Research

Hormonal

Cold exposure activates the beta-3 adrenergic receptor system, leading to UCP1 upregulation and non-shivering thermogenesis, although human response varies significantly compared to rodents.

Cold exposure can activate brown fat via the beta-3 adrenergic system, but human response is highly variable and often weaker than in mice. While you can try cold showers or lower temperatures, do not rely on it as a primary weight loss strategy. Diet and exercise are more reliable and practical methods to increase metabolic rate.

ModerateQualifiesMEDIUM confidence
β-3 adrenergic receptor system is one important mediator of white adipose tissue browning, during cold exposure.
Sabrina Azevedo Machado et al. · Nutrition & Metabolism · 2022

Why this rating

Review paper; human studies show variable response.

Source

Browning of the white adipose tissue regulation: new insights into nutritional and metabolic relevance in health and diseases

Sabrina Azevedo Machado et al. · Nutrition & Metabolism · 2022

DOI 10.1186/s12986-022-00694-0

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DOI resolved against Crossref · corpus check 2026-06-10

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