Nihon eiseigaku zasshi. Japanese journal of hygiene

01 1 January 2026

DOI 10.1265/jjh.26003

Priorities in Indicators and Factors Emphasized in Research Evaluation among Members of the Japanese Society for Hygiene: A Web-based Descriptive Study

Open DOI

Akira Minoura, Keisuke Kuwahara, Yuhei Shimada et al.

02 1 January 2026

DOI 10.1265/jjh.25008

Associations among Research Funding Status, Marital Status, Number of Children, and Psychological Well-Being of Social Medicine Researchers: A Gender-Based Analysis from Web Survey of Medical Researchers

Open DOI

Akira Minoura, Keisuke Kuwahara, Yuhei Shimada et al.

Research funding is a limited resource that not only affects scientific progress but also significantly affects researchers' career paths and family formation. Research environments in social medicine are rapidly changing, and increasing...

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03 1 January 2026

DOI 10.1265/jjh.25012

Preventing Bathing-Related Accidents without Overemphasizing “Heat Shock”: toward Prevention Strategies Centered on Heat-Related Illness

Open DOI

Yoshiaki Tai, Kenji Obayashi, Yuki Yamagami et al.

Japan is reported to have the world's highest per-capita drowning mortality among older adults, and most deaths occur in bathtubs, suggesting that Japan-specific bathing practices contribute to this occurrence. Because fatal bath-related...

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04 1 January 2026

DOI 10.1265/jjh.26002

Evidence and Dissemination of Lively 100-Year-Old Exercise: Promoting Community-based Initiatives for Fall Prevention Among Community-dwelling Older Adults

Open DOI

Chisato Hayashi, Junko Saito, Ayako Okuyama

Falls among older adults are a growing public health concern and an increasingly important cause of long-term care needs. Evidence shows that exercise programs combining balance and resistance training can effectively reduce fall risk, y...

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05 1 January 2026

DOI 10.1265/jjh.25011

Associations between Self-reported Symptoms, Quality of Life, and Work Productivity Loss among Japanese Workers: A Cross-sectional Analysis of a Large-scale Questionnaire-based Person-reported Outcomes Database (PRO-DB)

Open DOI

Katsuhiko Iwasaki, Ayako Shoji, Koichiro Osaka et al.

Japanese workers face long working hours, mental stress, and caregiving responsibilities, contributing to physical and psychological symptoms (e.g., fatigue, depressive mood, and sleep disturbances). These symptoms adversely affect the q...

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06 1 January 2026

DOI 10.1265/jjh.25010

Individual Differences in the Impact of Habitual Alcohol Drinking on Blood Pressure

Open DOI

Ichiro Wakabayashi

Habitual alcohol consumption is an established risk factor for hypertension. To prevent hypertension, daily alcohol consumption is generally recommended to be less than 20-30 ml in men and 10-20 ml in women. The association between alcoh...

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07 1 January 2026

DOI 10.1265/jjh.25009

Association between Social Relationships and Domain-specific Cognitive Functions among Community-dwelling Older Adults: The Wakayama Study

Open DOI

Masato Kashiba, Hiroko Hayakawa, Mika Morishita et al.

In this study, we aimed to clarify the association between social relationships and specific domains of cognitive function in older adults. The participants were 1,409 community-dwelling individuals aged 65-95 years (mean age: 68.7 years...

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08 1 January 2025

DOI 10.1265/jjh.24012

The Effects of Personality Traits and Self-Efficacy Measured by NEO-FFI on Eating Attitudes of Young Women

Open DOI

Arisa Takagi, Masahiro Toda

Eating attitudes represent a significant health risk for young women. According to Japan's 2019 National Health and Nutrition Survey, 20.7% of women in their 20s have a Body mass index (BMI) below 18.5 kg/m2. In this study we aimed to ex...

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09 1 January 2025

DOI 10.1265/jjh.25001

Work Environmental Factors Related to Work Engagement Among Nurses in a Medium-Sized Hospital: Examination Based on Score of Sense of Coherence

Open DOI

Kosuke Kawamura, Takuji Kobatake, Masato Kashiba et al.

In this study, we aimed to identify work environmental factors related to work engagement among nurses in a medium-sized hospital, based on levels of sense of coherence (SOC). An anonymous, self-administered questionnaire was administere...

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10 1 January 2025

DOI 10.1265/jjh.24013

Discussion About “Chronic Feature of Minamata Disease” Based on Dr. Takaoka’s Response

Open DOI

Makoto Futatsuka, Komyo Eto, Makoto Uchino

We received Dr. Takaoka's responses. The nine major points described in these responses were reviewed from the basic perspectives of epidemiology, toxicology and neuroscience. The responses indicate important failures in our views: expos...

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