Diabetes mellitus and its consequences have gained increased attention with the incidence rate rising.Diabetic cognitive impairment (DCI), a neurological consequence of diabetes mellitus, has shown a significant increase in recent years, and its related mechanisms need to be elucidated. Short-chain fatty acids (SCFAs), which are metabolites of dietary fiber fermented by gut microbiota and play a significant role in the "microbial-gut-brain axis", have become a popular research topic in recent years for their link to diabetes mellitus and brain function. Therefore, it is important to explore the relationship between SCFAs and DCI. This review summarized the changing characteristics of SCFAs in diabetes mellitus, cognitive impairment and DCI populations, as well as the mechanisms of SCFAs in DCI, which include glucose-lipid metabolism, pathological protein aggregation, inflammation, and mitochondrial autophagy.Future studies should address the common pathophysiological mechanisms of diabetes mellitus and cognitive impairment, in order to explore the effects of different types and doses of SCFAs in DCI and the underlying mechanisms, so as to provide a theoretical basis for the prevention and treatment of the disease in the context of the "co-morbidity model" .

Diabetes mellitus type 2 might cause mild cognitive impairment in its advanced stages,potentially progressing to dementia.Diabetic cognitive impairment(DCI)stands as a chronic complication of diabetes mellitus,with its underlying pathogenesis still remaining elusive.Research has revealed that gut microbiota dysbiosis influenced the central nervous system through the"microbiota-gut-brain axis",thereby contributing to the progression of cognitive impairment.Therefore,the regulation of gut microbiota emerges as a promising approach to the prevention and treatment of DCI.This article comprehensively reviews the mechanisms through which gut microbiota influences DCI.Furthermore,it delves into experimental studies exploring targeted therapies for gut microbiota,including probiotics,fecal microbiota transplantation,dietary and nutrient interventions,as well as traditional Chinese medicine.These studies not only address diabetes-related cognitive impairment but also consider aspects such as glycolipid metabolism and inflammation.The insights gleaned from these studies provide valuable guidance for the clinical application of gut microbiota-targeted intervention in DCI.

With the accelerated aging of the global population, the problem of elder abuse has become increasingly prominent, among which mental abuse is the type with the highest incidence. Mental abuse seriously damages the mental health of the elderly, increases their risk of illness and suicide, and reduces the quality of life of the elderly. This article combs the relevant research on mental abuse of the elderly at home and abroad in detail, introduces the definition, assessment tools and the current situation of mental abuse, and summarizes the corresponding influencing factors from the three levels of the elderly, caregivers and society, and aims at providing a basis for further research on the intervention of mental abuse of the elderly and the prevention of the occurrence of mental abuse.

Objective:To explore the mediating effects of self-efficacy between leadership empowerment behavior and neglect of care among senior care workers.Methods:In this cross-sectional study, from July to September 2020, totally 423 senior care workers from 50 nursing institutions for the aged in Jining, Jiaozuo, and Shijiazhuang were selected by convenient sampling and investigated with the General Information Questionnaire, Leadership Empowerment Behavior Scale, Self-Efficacy Scale, and Nursing Caregiver Negligence Assessment Scale. Pearson's correlation analysis was used to analyze the correlation of each variable, and bootstrapping was employed to test the mediating effect.Results:In this study, 423 questionnaires were distributed and 386 valid questionnaires were recovered. The total score of leadership empowerment behavior of 386 care workers was (47.93±7.51) ; the total score of self-efficacy was (28.65±5.92) ; the total score of neglecting care was (73.04±8.80) . The leadership empowerment behavior, self-efficacy, and neglect of care in the senior care workers were positively correlated ( P<0.01) . Self-efficacy played a partial mediating role between leadership empowerment and neglect of care, and the mediating effect accounted for 19.73%. Conclusions:The neglect of care in the senior care workers is at a low level, and self-efficacy plays a partial mediating role between leadership empowerment and neglect of care. Leaders of nursing institutions for the aged should improve their level of empowerment behaviors and strengthen the self-efficacy of senior care workers, so as to reduce the neglect of care among senior care workers.

Elder financial exploitation is an important subtype of elder abuse, which has become a global social problem. Financial exploitation of the elderly will not only damage their physical and mental health, reduce the quality of life, but also bring huge financial losses to society. The research on the elder financial exploitation in foreign countries started earlier, while the research on the elder financial exploitation in China is still in its infancy. Therefore, this paper summarizes the concept, theoretical framework, current situation and countermeasures of elder financial exploitation, with a view to providing reference for the study of elder financial exploitation in China.