Floret Maame Owusu, Nobutoshi Nawa, Yu Par Khin, Hisaaki Nishimura, Satomi Doi, Aya Isumi, Takeo Fujiwara. Association of pre-adolescent adverse childhood experiences with adolescent cholesterol levels: findings from the A-CHILD longitudinal study. Front Public Health. 2026; 14 1745206. ( PubMed, DOI )

Hisaaki Nishimura, Nobutoshi Nawa, Kiyohide Fushimi, Takeo Fujiwara. Association between tropical cyclone exposure and stroke hospitalization: A nationwide time-series analysis in Japan. Environ Int. 2025.11; 205 109906. ( PubMed, DOI )

Nobutoshi Nawa, Hisaaki Nishimura, Kiyohide Fushimi, Takeo Fujiwara. Association between heat exposure and intussusception in children in Japan from 2011 to 2022. Pediatr Res. 2025.09; 98 (3): 871-875. ( PubMed, DOI )

Nobutoshi Nawa, Hisaaki Nishimura, Kiyohide Fushimi, Takeo Fujiwara. Association Between Heat Exposure and Anaphylaxis in Japan: A Time-Stratified Case-Crossover Study. Allergy. 2025.09; 80 (9): 2640-2642. ( PubMed, DOI )

Hisaaki Nishimura, Nobutoshi Nawa, Tomoki Nakaya, Kiyohide Fushimi, Takeo Fujiwara. Heat-related impacts on all-cause emergency hospitalisation differ by area deprivation and urbanicity: a time-stratified case-crossover study in Japan. J Epidemiol Community Health. 2025.06; 79 (7): 506-514. ( PubMed, DOI )

Shuhei Terada, Hisaaki Nishimura, Naoyuki Miyasaka, Takeo Fujiwara. Drops in Atmospheric Pressure and Subsequent Fluctuations in Daily Delivery Volume: A Case-Crossover Study. Paediatr Perinat Epidemiol. 2025.05; 39 (4): 325-333. ( PubMed, DOI )

Nobutoshi Nawa, Hisaaki Nishimura, Kiyohide Fushimi, Takeo Fujiwara. Heat exposure and pediatric immune thrombocytopenia in Japan from 2011 to 2022: a nationwide space-timestratified case-crossover study. Haematologica. 2025.05; 110 (5): 1217-1220. ( PubMed, DOI )

Hisaaki Nishimura, Nobutoshi Nawa, Takahisa Ogawa, Kiyohide Fushimi, Brian S Schwartz, Takeo Fujiwara. Projections of future heat-related emergency hospitalizations for asthma under climate and demographic change scenarios: A Japanese nationwide time-series analysis. Environ Res. 2025.02; 266 120498. ( PubMed, DOI )

Floret Maame Owusu, Nobutoshi Nawa, Hisaaki Nishimura, Yu Par Khin, Doi Satomi, Shiori Shakagori, Aya Isumi, Takeo Fujiwara. Association of communication methods and frequency with BMI among adolescents during the COVID-19 pandemic: findings from A-CHILD study. Front Public Health. 2025; 13 1433523. ( PubMed, DOI )

Murakawa M*, Nakagawa M*, Nishimura H, Kaneko S, Miyoshi M, Kawai-Kitahata F, Nitta S, Tsuchiya J, Shimizu T, Watakabe K, Mochida T, Inada K, Iizuka Y, Sakai H, Sakurai Y, Sato A, Azuma S, Kawamura T, Maeyashiki C, Kurosaki M, Kusano F, Watanabe H, Kurata H, Karakama Y, Fujiwara T, Nagata Y, Tanaka T, Kakinuma S, Okamoto R, Asahina Y. High serum gamma-glutamyltransferase level after hepatitis C virus elimination is a risk factor for the development of hepatocellular carcinoma. Hepatol Res. 2024.12; 54 (12): 1128-1138.

Nobutoshi Nawa, Hisaaki Nishimura, Kiyohide Fushimi, Takeo Fujiwara. Association between heat exposure and Kawasaki disease: A time-stratified case-crossover study. Environ Res. 2024.12; 263 (Pt 3): 120231. ( PubMed, DOI )

Koyama Y*, Yamaoka Y, Nishimura H, Kuramochi J, Fujiwara T. More adverse childhood experiences are associated with increased social thinning and severe psychological distress. Commun Psychol. 2024.10; 2 (1): 94. ( PubMed, DOI )

Kobayashi, M; Katsuda, H; Maekawa, A; Akahoshi, K; Watanabe, R; Kinowaki, Y; Nishimura, H; Fujiwara, T; Tanabe, M; Okamoto, R. Development of an intraductal papillary mucinous neoplasm malignancy prediction scoring system PLOS ONE. 2024.10; 19 (10): e0312234. ( PubMed, DOI )

Tomoyoshi Shibata, Yui Yamaoka, Nobutoshi Nawa, Hisaaki Nishimura, Yuna Koyama, Jin Kuramochi, Takeo Fujiwara. Association of lifestyle and flourishing during the COVID-19 pandemic in Japan. Front Psychol. 2024.05; 15 1341711. ( PubMed, DOI )

Shuhei Terada, Hisaaki Nishimura, Naoyuki Miyasaka, Takeo Fujiwara. Ambient temperature and preterm birth: A case-crossover study. BJOG. 2024.04; 131 (5): 632-640. ( PubMed, DOI )

Nishimura H, Nawa N, Yamaoka Y, Koyama Y, Kuramochi J, Fujiwara T. Association between residential greenness and severe psychological distress and the moderating role of 'stay-at-home' status: a population-based cross-sectional study during the COVID-19 pandemic in Japan. BMJ public health. 2023.11; 1 (1): e000093. ( PubMed, DOI )

Nobutoshi Nawa, Hisaaki Nishimura, Yusuke Matsuyama, Satomi Doi, Aya Isumi, Takeo Fujiwara. Association between the number of convenience stores and caries status in permanent teeth among elementary school children: results from the A-CHILD population-based longitudinal cohort study. Front Public Health. 2023.10; 11 1228197. ( PubMed, DOI )

Kanda K, Nishimura H, Koiso T, Takemoto K, Nakagoe K, Yamada T, Takahashi M, Hanafusa M, Kawahara T, Yanagida Y, Kuramochi J, Fujiwara T. Applying negative ions and an electric field to countermeasure droplets/aerosol transmission without hindering communication. Scientific reports. 2023.08; 13 (1): 13965. ( PubMed, DOI )

Miyamura K, Nawa N, Nishimura H, Fushimi K, Fujiwara T. Association between heat exposure and hospitalization for diabetic ketoacidosis, hyperosmolar hyperglycemic state, and hypoglycemia in Japan. Environment international. 2022.09; 167 107410. ( PubMed, DOI )

Koyama Y, Nawa N, Yamaoka Y, Nishimura H, Kuramochi J, Fujiwara T. Association between Social Engagements and Stigmatization of COVID-19 Infection among Community Population in Japan. International journal of environmental research and public health. 2022.07; 19 (15): ( PubMed, DOI )

Nishimura H, Nawa N, Ogawa T, Fushimi K, Fujiwara T. Association of ambient temperature and sun exposure with hip fractures in Japan: A time-series analysis using nationwide inpatient database. The Science of the total environment. 2022.02; 807 (Pt 1): 150774. ( PubMed, DOI )

Koyama Y, Nawa N, Yamaoka Y, Nishimura H, Sonoda S, Kuramochi J, Miyazaki Y, Fujiwara T. Interplay between social isolation and loneliness and chronic systemic inflammation during the COVID-19 pandemic in Japan: Results from U-CORONA study. Brain, behavior, and immunity. 2021.05; 94 51-59. ( PubMed, DOI )

Nawa N, Yamaoka Y, Koyama Y, Nishimura H, Sonoda S, Kuramochi J, Miyazaki Y, Fujiwara T. Association between Social Integration and Face Mask Use Behavior during the SARS-CoV-2 Pandemic in Japan: Results from U-CORONA Study. International journal of environmental research and public health. 2021.04; 18 (9): ( PubMed, DOI )