Associations between maternal exposure to per- and polyfluoroalkyl substances and functional constipation in children at 3 and 4 years: the Japan Environment and Children’s Study
Kohei Hasegawa, Yuji Inaba, Shoji Saito, Takumi Shibazaki, Margareta Laurence Pisonningtyas, Shoji F. Nakayama, Michihiro Kamijima, Teruomi Tsukahara, Tetsuo Nomiyama
Environmental Health and Preventive Medicine, May 2026

Associations between maternal per- and polyfluoroalkyl substances exposure and lipid levels in maternal and cord blood: The Japan environment and Children's study
Kohei Hasegawa, Yuji Inaba, Shoji Saito, Takumi Shibazaki, Shoji F. Nakayama, Michihiro Kamijima, Teruomi Tsukahara, Tetsuo Nomiyama
Environmental Research, Dec. 2024

Association between the number of teeth and incident pre-diabetes among middle-aged adults with periodontal disease: a retrospective cohort analysis of Japanese claims data
Kohei Hasegawa, Akinari Sakurai, Masaru Mizuki, Hiroshi Kurita, Teruomi Tsukahara, Tetsuo Nomiyama
BMJ Open, Nov. 2023

Associations between long-term care-service use and service- or care-need level progression: a nationwide cohort study using the Japanese Long-Term Care Insurance Claims database
Kohei Hasegawa, Teruomi Tsukahara, Tetsuo Nomiyama
BMC Health Services Research, Jun. 2023

Short-term associations of low-level fine particulate matter (PM2.5) with cardiorespiratory hospitalizations in 139 Japanese cities
Kohei Hasegawa, Teruomi Tsukahara, Tetsuo Nomiyama
Ecotoxicology and Environmental Safety, May 2023

Short-term associations of ambient air pollution with hospital admissions for ischemic stroke in 97 Japanese cities
Kohei Hasegawa, Teruomi Tsukahara, Tetsuo Nomiyama
Environmental Science and Pollution Research, Jul. 2022

Short-Term Associations of Ambient Fine Particulate Matter (PM2.5) with All-Cause Hospital Admissions and Total Charges in 12 Japanese Cities.
Kohei Hasegawa, Hirokazu Toubou, Teruomi Tsukahara, Tetsuo Nomiyama
International Journal of Environmental Research and Public Health, Apr. 2021