Publications by authors named "Shun Zha"

Background: The mpox pandemic has caused widespread public concern around the world. The spread of misinformation through the internet and social media could lead to an infodemic that poses challenges to mpox control.

Objective: This review aims to summarize mpox-related infodemiology studies to determine the characteristics, influence, prevention, and control measures of the mpox infodemic and propose prospects for future research.

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Article Synopsis
  • The study focused on Yunnan province in China to analyze the trends in depressive symptoms among adolescents (ages 12-18) over four years, particularly during the COVID-19 pandemic from 2018 to 2022.
  • Using a longitudinal observational method, researchers assessed data from the Students' Health Survey and diagnosed depressive symptoms with the CES-D scale, comparing variables like gender, age, and residence.
  • Results indicated that the overall prevalence of depressive symptoms increased from 28.26% in 2018 to 36.33% in 2022, highlighting a notable rise during the COVID-19 period, with risks significantly elevated compared to the pre-pandemic phase.
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As3MT is the key enzyme involved in the methylation metabolism of arsenic. It is associated with DNA methylation closely also. This study is to explore the relationships between As3MT and epigenetic changes, and how p53 and relative ncRNAs and mRNAs play roles in the process.

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Objective: To understand the trends of nutrition in children and adolescents, which may further help to prevent and control chronic diseases in younger ages.

Methods: The Chinese National Surveys on Students' Constitution and Health (CNSSCH) in Yunnan is a survey of growth conditions, physical fitness, and health status of students in Yunnan and uses a series of complex multistage stratified sampling of seven prefectures consisting of 16 counties. Sampling schools were held constant over 35 years.

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Background: The Dulong people are one of the minorities in China with the lowest population. In recent years, the lifestyle of the Dulong people has also changed drastically due to income growth and urbanization. This study aims to identify cigarette smoking prevalence and potential risk factors among Dulong adults in China.

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Objectives: To provide us with some evidence to develop more targeted stroke intervention strategies, improve the health awareness of stroke among children, and advocate the health promotion campaign of "small hands holding big hands" among parents and children, we have conducted a health education program on stroke among primary school students in Dali.

Methods: This study has applied stratified random cluster sampling in Dali of Yunnan, China. We compared the improvement of students' knowledge of stroke before and after our health education program in primary school students of Dali in October 2020.

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Article Synopsis
  • Wide pulse pressure (WPP) is linked to arterial stiffness and cardiovascular issues, and long-term exposure to particulate matter (PM) increases the risk of WPP.
  • The study identifies at-risk groups based on demographic, health, and lifestyle factors, revealing that certain subpopulations (like those with high BMI or inflammation markers) are more vulnerable to WPP from PM exposure.
  • Findings emphasize the importance of targeted prevention strategies to reduce health risks associated with air pollution.
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Objectives: This study aimed to describe and quantify the relationship between body mass index (BMI) and tuberculosis (TB) incidence.

Design: A population-based prospective cohort study.

Setting: Ten randomly selected communities in the southwestern mountainous region of China.

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Background: Leprosy is associated with different dermatologic and neurologic manifestations within a wide clinical spectrum, causing a great diagnostic challenge. Therefore, we aimed to examine associations between common presenting symptoms of leprosy and stage at diagnosis.

Methodology/principal Findings: In this cross-sectional study, we analyzed population-level data from the Leprosy Management Information System (LEPMIS) in Yunnan, China, from 2010-2020 and enrolled patients with newly detected leprosy.

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  • Leprosy in Yunnan, China, can cause serious physical disabilities, but the specific risk factors associated with these disabilities were previously unclear.
  • A study analyzed 10,644 newly diagnosed leprosy patients from 1990 to 2019, finding that factors such as delayed diagnosis, nerve damage, and certain classifications of leprosy significantly increased the risk of physical disabilities.
  • The research concluded that addressing these risk factors—like timely diagnosis and understanding of demographic influences—may help prevent physical disabilities in leprosy patients.
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We aimed to estimate the non-accidental and cause-specific mortality burden attributed to diurnal temperature range (DTR) and the relative contributions of low, high, and extremely low and extremely high DTR in Yunnan, southwest China. Furthermore, we explored the possible effect modification of the DTR-mortality association by season, sex, age, ethnicity, marital status, and occupation. A standard time-series quasi-Poisson regression model combined with a distributed lag nonlinear model was used to derive estimates of city-specific DTR-mortality associations, then random effects meta-analysis was used to pool the estimated city-specific overall cumulative DTR-mortality association, estimating empirical confidence intervals (eCIs).

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Background: We aim to describe the prevalence and trends of hypertension among 9-17 school-aged students from 2017 to 2019 in Yunnan, China.

Methods: We conducted a cross-sectional study by using data from the Students' Health Surveillance Surveys of 2017, 2018 and 2019 in Yunnan. The Students' Health Surveillance Surveys in Yunnan collected date on physical fitness and health status of students in Yunnan through multistage-stratified sampling in 3 prefectures.

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