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Obesity-Related Cognitive Impairment: An Update Overview of Mechanisms and Treatments

delete2026-05-19
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OA
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C
Chuanyu Zhong
K
Kai Chen
S
Shu Lin
Y
Yinqiong Huang *
DOI:10.1017/erm.2026.10049delete
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Abstract

Abstract

En 中文
BackgroundLifestyle changes and unhealthy eating habits have led to a sharp rise in obesity rates worldwide. Obesity is closely associated with a range of complications; including cognitive impairment and dementia. Accumulating evidence indicates that obesity negatively affects cognitive function and may increase the risk of neurodegenerative diseases. Conversely; cognitive dysfunction may further contribute to the development and progression of obesity. With growing attention in this field; obesity-related cognitive impairment has emerged as an important research focus at the intersection of metabolic and neurological disorders.MethodsThis article reviews the potential mechanisms underlying obesity-related cognitive impairment and summarizes emerging therapeutic strategies.ResultsThe development and progression of obesity-related cognitive impairment involve multiple mechanisms; including insulin resistance; systemic and central inflammation; immune dysregulation; microcirculatory alterations and changes in neurotransmitters and synaptic plasticity. Recent studies have focused on the adipose tissue-brain axis and the microbiota–gut–brain axis; in particular; the targeted effects of extracellular vesicles released from adipose tissue and microbiota on the brain.ConclusionsThis article systematically reviews the mechanisms underlying obesity-related cognitive impairment and presents novel therapeutic strategies.
Keywords:
adipose tissue–brain axis
cognitive impairment
exosome
microbiome–gut–brain axis
neuroinflammation
obesity
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Journal

Expert Reviews in Molecular Medicine cover
Expert Reviews in Molecular Medicine
IF:
5.5
Papers:
76
Citations:
2.2K

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G
Garvan Institute of Medical Research
Scholars:
3.2K
Papers: 2.3K
Citations: 7.1K
F
fujian medical university
Scholars:
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Papers: 1.3W
Citations: 13
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