1.Research progress on the effects of sedentary behavior and physical activity on diabetes mellitus.
Qi CHEN ; Chuan-Fen LI ; Wen JING
Acta Physiologica Sinica 2025;77(1):62-74
Diabetes mellitus (DM) has become one of the most serious and common chronic diseases around the world, leading to various complications and a reduction in life expectancy. Increased sedentary behavior (SB) and decreased physical activity (PA) are important contributors to the rising prevalence of DM. This article reviews the research progress on the pathogenesis of DM, the effects of SB and PA on the risk of DM, aiming to explore the influence of different PA intensities, amounts, frequencies, durations and types on the incidence of DM. Research has shown that blood glucose levels tend to increase with the prolongation of SB. Within a certain range, PA intensity and amount are negatively correlated with the risk of DM; Performing PA for more than 3 days per week maintains normal glucose tolerance and lower blood pressure; Engaging in 150-300 min of moderate-intensity exercise or 75-150 min of high-intensity exercise per week reduces the risk of DM; PA during leisure time reduces the risk of DM, while PA during work increases the risk of DM; Both aerobic training and resistance training reduce the risk of DM, and the combination of the two training methods produces better benefits; Various types of exercises, such as cycling, soccer, aerobics, yoga and tai chi, all reduce the risk of DM. In summary, prolonged SB increases the risk of DM, while appropriate PA reduces the risk of DM. As the intensity, amount, and frequency of PA increase, the effect of reducing DM risk becomes more significant. Different exercise methods have different effects on reducing DM risk.
Humans
;
Sedentary Behavior
;
Exercise/physiology*
;
Diabetes Mellitus/prevention & control*
2.Efficacy evaluation of repeated transcranial magnetic stimulation combined with bipolar depression triple therapy in reducing female adolescents' non-suicidal self-injury.
Yun SHEN ; Jing LI ; Ke ZOU ; Kuanwei YANG ; Yanping SHU ; Zhong ZHENG
Journal of Biomedical Engineering 2025;42(2):288-292
In order to explore effective ways to reduce non-suicidal self-injury (NSSI) among female adolescents, a total of 45 female adolescent patients with NSSI in West China Hospital of Sichuan University and Guizhou Second Provincial People's Hospital from June 2021 to June 2024 were selected randomly that divided into groups A, B and C, with 15 cases in each group. Group A was treated with repeated transcranial magnetic stimulation (rTMS) and bipolar depression triple therapy, and group B was treated with bipolar depression triple therapy to compare the effectiveness and safety. Group C received bipolar depression triple therapy combined with sham stimulation which only produced stimulating sounds but no stimulating magnetic field as a control in the study. After treatment, the Hamilton Anxiety Score (HAMA), Hamilton Depression Score (HAMD) and Nurses' Global Assessment of Suicide Risk (NGASR) in group A were significantly lower than those in group B and C ( P < 0.01). rTMS combined with bipolar depression triple therapy has a definite effect on reducing NSSI in female adolescents, which can reduce the incidence rate of short-term NSSI behavior in patients.
Humans
;
Female
;
Adolescent
;
Self-Injurious Behavior/prevention & control*
;
Transcranial Magnetic Stimulation/methods*
;
Bipolar Disorder/therapy*
;
Combined Modality Therapy
;
Treatment Outcome
3.Single exposure to near-threshold 5G millimeter wave modifies restraint stress responses in rats.
Akiko MATSUMOTO ; Ikumi ENDO ; Etsuko IJIMA ; Akimasa HIRATA ; Sachiko KODERA ; Masayoshi ICHIBA ; Mikiko TOKIYA ; Takashi HIKAGE ; Hiroshi MASUDA
Environmental Health and Preventive Medicine 2025;30():33-33
BACKGROUND:
In response to growing concerns about the health effects of quasi-millimeter waves (qMMW) used in 5th-generation wireless systems, conservative whole-body exposure thresholds based on indirect evidence have been proposed. The guidelines define a whole-body average specific absorption rate (WBA-SAR) of 4 W/kg which causes a 1 °C increase in core temperature, as the operational threshold for adverse health effects. To address the lack of direct evidence, we recently reported that a 30-minute exposure to qMMW at 4.6 W/kg resulted in a 1 °C increase in rat core temperature. Here, we further analyzed the near-threshold stress response for the first time, using biological samples from the aforementioned and additional experiments.
METHODS:
A total of 59 young Sprague-Dawley rats (240-322 g) were exposed to 28 GHz for 40 minutes at WBA-SARs of 0, 3.7, and 7.2 W/kg, under normal (22.5 °C, 45-55% humidity), and heat (32 °C, 70% humidity) conditions. Rats were restrained in acrylic holders for dose control. We repeatedly measured serum and urinary biomarkers of stress response, aggregated the data, and analyzed them using a single statistical mixed model to subtract the effects of sham exposure and between-subject variation.
RESULTS:
Sham exposure induced stress responses, suggesting an effect of restraint. After the subtraction of the sham exposure effect, 28 GHz appeared to induce stress responses as evidenced by elevated serum-free corticosterone 1 or 3 days after the exposure, which was more evident in animals with a change in rectal temperature exceeding 1 °C. Urinary-free catecholamines demonstrated an inhibitory property of 28 GHz frequency exposure on the stress response as evidenced by noradrenaline on the day of exposure. Heat exposure enhanced this effect, suggesting a possible role of noradrenaline in heat dissipation by promoting cutaneous blood flow, a notion supported by the correlation between noradrenaline levels and tail surface temperature, a critical organ for heat dissipation.
CONCLUSIONS
This study is the first to demonstrate that qMMW whole-body exposure can alter the stress response as indicated by corticosterone and noradrenaline at near-threshold levels. Our findings may provide insight into the biological basis of the whole-body exposure thresholds in the international guidelines.
Animals
;
Rats
;
Rats, Sprague-Dawley
;
Male
;
Restraint, Physical
;
Stress, Physiological/radiation effects*
;
Corticosterone/blood*
;
Biomarkers/blood*
;
Microwaves/adverse effects*
4.Suanzaoren Decoction Alleviates Anxiety- and Depression-Like Behaviors Induced by Chronic Restraint Stress via Regulating Pyramidal Neuron Activity in Basolateral Amygdala of Mice.
Chang-Feng CHEN ; Yin-Huan GAO ; Qin FANG ; Yong-Feng ZHOU ; Yong LIU ; Jian WU ; Hao CHEN ; Lie-Cheng WANG ; Lei CHEN
Chinese journal of integrative medicine 2025;31(11):982-990
OBJECTIVE:
To elucidate the modulation mechanism of Suanzaoren Decoction (SZRD) on basolateral amygdala (BLA) neuronal activity to alleviate chronic restraint stress (CRS)-related behavioral deficits.
METHODS:
The male C57BL/6J mice were assigned to 4 groups using the complete randomization method, including control (CON, n=19), CRS (n=19), SZRD (n=21), and fluoxetine (Flu, n=22) groups. Mice were restrained for 6 h per day, over a 21-d period to establish CRS models. The CON group remained in their cages without food or water during the 6-h matching period. SZRD and Flu groups received intragastric administration of SZRD (4.68 g/kg) and Flu (20 mg/kg) daily, respectively, 30 min before restraint for 21 consecutive days. The therapeutic effects of SZRD were evaluated using behavioral tests including the tail suspension test, elevated plus maze test, and forced swimming test. The cellular Fletcher B. Judson murine osteosarcoma proto-oncogene (c-Fos) expression in the BLA was measured using immunofluorescence, while action potential (AP) firing and synaptic transmission in BLA pyramidal neurons were evaluated using whole-cell patch-clamp recordings.
RESULTS:
SZRD administration significantly increased time spent in the open arms and open-arm entries while reducing immobility time (P<0.05 or P<0.01). It downregulated CRS-induced c-Fos expression and AP firing of pyramidal neurons in the BLA (P<0.01). Additionally, SZRD selectively attenuated excitatory (P<0.01), but not inhibitory, synaptic transmission onto BLA pyramidal neurons.
CONCLUSION
SZRD alleviated CRS-induced anxiety- and depression-like behaviors in mice by modulating the excitability and synaptic transmission of BLA pyramidal neurons.
Animals
;
Drugs, Chinese Herbal/therapeutic use*
;
Depression/complications*
;
Pyramidal Cells/pathology*
;
Male
;
Mice, Inbred C57BL
;
Basolateral Nuclear Complex/pathology*
;
Restraint, Physical
;
Anxiety/complications*
;
Behavior, Animal/drug effects*
;
Stress, Psychological/physiopathology*
;
Mice
;
Proto-Oncogene Proteins c-fos/metabolism*
;
Action Potentials/drug effects*
;
Synaptic Transmission/drug effects*
5.Enriched environment reduces pyramidal neuron excitability in the anterior cingulate cortex to alleviate restraint stress-induced anxiety-like behaviors in mice.
Changfeng CHEN ; Qin FANG ; Yinhuan GAO ; Liecheng WANG ; Lei CHEN
Journal of Southern Medical University 2025;45(5):962-968
OBJECTIVES:
To investigate the mechanism by which the pyramidal neurons of the anterior cingulate cortex (ACC) modulate the effects of enriched environment (EE) for relieving anxiety-like behaviors in mice.
METHODS:
C57BL/6J mice were randomly divided into control group, restraint stress (RS) group, and RS+EE group (n=8). The mice in the latter two groups were subjected to RS for 2 h daily for 3 days, and those in RS+EE group were housed in an EE during modeling. Anxiety-like behaviors of the mice were evaluated using the elevated plus-maze tests (EPM) and open field test (OFT). Changes in c-Fos expression in the ACC of the mice were detected with immunofluorescence assay, and pyramidal neuron excitability in the ACC (PynACC) was measured using patch-clamp technique. The miniature excitatory and inhibitory postsynaptic currents (mEPSC and mIPSC, respectively) were analyzed to assess synaptic transmission changes.
RESULTS:
Behavioral tests showed obvious anxiety-like behaviors in RS mice, and such behavioral changes were significantly improved in RS+EE mice. Immunofluorescence staining revealed significantly increased c-Fos expression in the ACC in RS mice but lowered c-Fos expression in RS+EE group. Compared with the control mice, the RS mice showed increased action potential firing rate of PynACC, which was significantly reduced in RS+EE group. Compared with the RS mice, the RS+EE mice showed also decreased frequency of mEPSCs of PynACC, but the amplitude exhibited no significant changes. No obvious changes in the frequency or amplitude of mIPSCs were observed in RS+EE mice.
CONCLUSIONS
EE reduces excitability of PynACC to alleviate anxiety-like behaviors induced by RS in mice.
Animals
;
Anxiety/physiopathology*
;
Gyrus Cinguli
;
Mice, Inbred C57BL
;
Mice
;
Pyramidal Cells/physiology*
;
Restraint, Physical
;
Stress, Psychological
;
Proto-Oncogene Proteins c-fos/metabolism*
;
Male
;
Behavior, Animal
;
Environment
;
Excitatory Postsynaptic Potentials
6.Job Preferences of Centers for Disease Control and Prevention Workers: A Discrete Choice Experiment in China.
Yan GUO ; Han Lin NIE ; Hao CHEN ; Stephen NICHOLAS ; Elizabeth MAITLAND ; Si Si CHEN ; Lie Yu HUANG ; Xiu Min ZHANG ; Xue Feng SHI
Biomedical and Environmental Sciences 2025;38(6):740-750
OBJECTIVE:
This study explored the job choice preferences of Center for Disease Prevention and Control (CDC) workers to provide CDC management information and recommendations for optimizing employee retention and motivation policies.
METHODS:
A discrete choice experiment was conducted in nine provinces across China. Seven key attributes were identified to analyze the job preferences of CDC workers. Mixed logit models, latent class models, and policy simulation tools were used.
RESULTS:
A valid sample of 5,944 cases was included in the analysis. All seven attributes significantly influenced the job choices of CDC workers. Heterogeneity analyses identified two main groups based on different levels of preference for attribute utility. Income-prioritizers were concerned with income and opportunities for career development, whereas bianzhi-prioritizers were concerned with bianzhi and welfare benefits. The policy simulation analysis revealed that income-prioritizers had a relatively higher sensitivity to multiple job preference incentives.
CONCLUSION
Income and bianzhi were the two key attributes influencing the job choices and retention preferences of CDC workers. Heterogeneity in job preferences was also identified. Based on the preference characteristics of different subgroups, policy content should be skewed to differentiate the importance of incentives.
China
;
Humans
;
Male
;
Female
;
Adult
;
Centers for Disease Control and Prevention, U.S.
;
Middle Aged
;
Choice Behavior
;
Career Choice
;
Motivation
7.Association between response to repeated negative HIV testing and risk sexual behaviors in men who have sex with men in Chengdu.
Yang ZHU ; Feng Su HOU ; Xiao Ting CHEN ; Xiao YANG ; Wang Nan CAO ; Yuan Tao HAO ; Jing Hua LI
Chinese Journal of Epidemiology 2023;44(3):452-456
Objective: To investigate the association between the response to repeated negative HIV testing and the risk sexual behaviors in men who have sex with men (MSM) in Chengdu. Methods: A total of 610 MSM were recruited by convenience sampling method through Chengdu Tongle Health Consultation Service Centre from March to May 2022. Data were collected from the MSM through questionnaire survey, including the demographic characteristics, sexual behaviors in the past 6 months, the response to rerpeated negative HIV testing. Univariate and multivariate logistic regression models were conducted to analyze the association between the response to repeated negative HIV testing and risk sexual behavior. Results: A total of 579 (94.9%) participants participated in the questionnaire survey and 354 (61.1%) subjects were included in the study.For the negative HIV testing, some MSM believed that they had taken effective protection measures (17.03±2.20), some believed that they were lucky (7.50±1.87) and some believed that they were at low risk (8.87±3.62). Multivariate logistic regression model showed that protected sexual behavior was negatively associated with group sex (aOR=0.80, 95%CI: 0.67-0.95), lucky was positively associated with casual sex (aOR=1.20, 95%CI: 1.06-1.35), inconsistent condom use (aOR=1.21, 95%CI: 1.06-1.37), group sex (aOR=1.26, 95%CI: 1.00-1.60), and multiple sexual partners (aOR=1.24, 95%CI: 1.09-1.42) and low risk perception was positively associated with multiple sexual partners only (aOR=1.08, 95%CI: 1.01-1.15). Conclusions: There were high levels of recognition of protected sexual behavior and lucky dimensions in response to repeated negative HIV testing and well risk perception in MSM in Chengdu. In HIV testing and counseling services, intervention and risk warning should be strengthened in MSM who believed that they are lucky to improve their awareness of safe sex and reduce the negative effects of fluke mind.
Male
;
Humans
;
Homosexuality, Male
;
HIV Infections/prevention & control*
;
Sexual and Gender Minorities
;
Sexual Behavior
;
HIV Testing
;
Logistic Models
8.Design and application of wrist restraint gloves suitable for patients with agitation.
Yuanfeng HAN ; Xiangying YANG ; Liuqin XIA ; Linglin HU ; Qiaoqiao PENG
Chinese Critical Care Medicine 2023;35(7):757-758
Patients in the intensive care unit (ICU) often need to have various catheters placed on their bodies due to their severe condition. In order to prevent the occurrence of unplanned extubation, patients' hands should be restrained appropriately. The current restraint gloves used in clinical practice have problems such as improper restraint, easy falling off of oxygen saturation monitoring probes, and pressure injury of hands. Therefore, department of critical care medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine designed a wrist restraint glove suitable for restless patients, and obtained the national utility model patent (ZL 2020 2 1612453.7). The device is composed of restraint gloves and restraint rings, which can not only restrain patients, but also continuously monitor the changes of blood oxygen saturation in patients with restfulness. This device is convenient to use, low cost, comfortable to wear, and can prevent the occurrence of device-related pressure injuries, which is suitable for clinical application.
Humans
;
Wrist
;
Intensive Care Units
;
Critical Care
;
Hand
;
Upper Extremity
;
Restraint, Physical
9.Progress in researches on cardiovascular health behaviors and factors in perinatal women.
Shen GAO ; Rui Xia LIU ; Wen Tao YUE ; Cheng Hong YIN
Chinese Journal of Preventive Medicine 2023;57(6):941-948
The cardiovascular health index (CVH) is a composite index consisting of 7 CVH metrics (CVHM) to evaluate the cardiovascular health status in the population. CVH has been proven to be closely related to a variety of health outcomes and widely used in the prevention of many diseases and the evaluation of intervention effectiveness. This review summarizes the recent distribution of CVH and CVHM in pregnant women and the relationship between CVH and CVHM with adverse health outcomes, which aims to explore the application of CVH and CVHM in preventing pregnancy-related diseases and improving the long-term health level of perinatal women and their offspring.
Pregnancy
;
Humans
;
Female
;
Risk Factors
;
Cardiovascular Diseases/prevention & control*
;
Health Behavior
;
Health Status
10.Potential short-term effects of tobacco control scheme under various application scenarios of tobacco control measures across the globe: a Meta-analysis.
Qing Qing XU ; Yong Fu YAN ; Wen Lan DONG ; Shi Wei LIU
Chinese Journal of Epidemiology 2023;44(4):650-656
Objective: based on summarizing the simulation and prediction of tobacco control measures across the globe and sorting out the various scenarios of tobacco control measures, the potential short-term effects of seven tobacco control measures in different scenarios were systematically analyzed. Methods: Until April 2022, PubMed, Embase, EconLit, PsychINFO, and CINAHL databases were used to retrieve literature about tobacco control measures simulation and prediction models across the globe. Inclusion and exclusion criteria were strictly followed. Meta-analysis for the potential short-term effects of seven tobacco control measures in different scenarios was performed using the R software. Results: A total of 22 papers covering 16 countries were selected. Five studies were conducted in the United States, three in Mexico, and two in Italy. There were all papers with the measures to tax increases, smoke-free air laws, and mass media campaigns, 21 papers with youth access restrictions, 20 with marketing restrictions, and 19 with cessation treatment programs and health warnings. The tax increases had diverse influences on the price elasticity of different age groups. The price elasticity in the age group 15-17 years was the highest, which was 0.044 (95%CI: 0.038-0.051). The potential short-term effects of smoke-free air laws in workplaces were higher than in restaurants and other indoor public places. The effects of youth access restrictions were greater in the age group <16 years than in the age group 16-17. The stronger the implementation of other measures, the greater the potential short-term effects. A comparison of seven tobacco control measures showed that the cessation treatment programs increase in cessation rate was the highest, 0.404 (95%CI: 0.357-0.456). The reduction in smoking rate and reduction in initiation rate of youth access restrictions strongly enforced and publicized was the highest in the age group <16 years, 0.292 (95%CI: 0.269-0.315), and 0.292 (95%CI: 0.270-0.316). Conclusions: The potential short-term effects of seven tobacco control measures in different scenarios were evaluated more accurately and objectively through Meta-analysis. In the short term, cessation treatment programs will substantially increase smoking cessation rates, and strong youth access enforcement will sharply reduce smoking and initiation rates among adolescents under 16. These results also offer strong data-related support for the simulation and prediction of tobacco control measures in China and other countries.
Adolescent
;
Humans
;
United States
;
Tobacco Control
;
Prevalence
;
Computer Simulation
;
Smoking Cessation
;
Health Behavior
;
Smoking Prevention

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