Brain energy allocation is consistent with adaptive thermogenesis.

Authors

Manfred J Müller, Anja Bosy-Westphal

Published in

Trends in endocrinology and metabolism: TEM. Oct 13, 2026. Epub Oct 13, 2026.

Abstract

Caloric restriction and weight loss reduce resting metabolic rate (RMR) beyond what is explained by the loss of fat-free mass, a phenomenon known as adaptive thermogenesis (AT_RMR). Here, we frame AT_RMR conceptually as the result of shifts in energy budgets within the body. Given the brain's central role as both a key regulator of energy intake and a major energy consumer within the body, we hypothesize that AT_RMR represents one component of the weight-loss-associated reduction in energy expenditure and may reflect a redistribution of energy from the body to the brain, consistent with the hypothesis that adequate cerebral energy supply is preferentially maintained.

PMID:
42869730
Bibliographic data and abstract were imported from PubMed on 14 Oct 2026.

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