- 2021 - 2024 Panel data analysis using data on suicides per municipality
- 2018 - 2021 Geography of suicide in Japan: Spatial patterning, and socioeconomic correlates and inequalities
- 2016 - 2019 Effects of exposure to environmental chemicals on child's neurodevelopment, puberty onset, and allergies in the Hokkaido Study:Clarification of molecular mechanism
- 2015 - 2019 Research on the status and its related factors of Mother-Child interaction frequency in Japanese women, an adjunct study of the Japan Environment and Children's Study.
- 2015 - 2018 A comprehensive study for sustainable regional medicine system
- 2015 - 2018 Epidemiological research on suicide prevention through restricting access to suicide means
- 2013 - 2016 Investigation of adverse health effects of environmental chemicals by a birth cohort study:focused on gene environment interactions
- 2012 - 2015 Effective posting and work burden reduction among community medicine doctors and nurses
- 2012 - 2015 Relationship between Maternal Folate-Related Gene Polymorhisms, Gene-environment Interaction and Birth defects
- 2010 - 2014 The effects of prenatal exposures to environmental chemicals and genetic susceptibility on growth, neurodevelopment and allergy of next generation
- 2011 - 2013 Examination of the Latent Health Dysfunction due to Lean Body-frame in Japanese Young Women
- 2011 - 2012 To assess the risk of Attention Deficit/Hyper-Activity Disorder cause byEpigenetic action and gene environment interaction.
- 2010 - 2011 Correlation analysis of diet and estrogen concentrations in the human body according to the incidence of estrogen-dependent cancers
- 2009 - 2010 Research on the effects of employment formats and social capital on workers' mental health
- 2008 - 2010 The affects of maternal exposure of pesticides on children health : Case-control study based on the large scale cohort of monitoring congenital anomaly
- 2008 - 2010 The Effects of Stress Managemen Program for Company Workers : A Randomized Controlled Trial
- 2007 - 2009 A birth cohort study to detect adverse health effects of environmental chemicals on the next generation and gene-environment interaction
- 2007 - 2008 化学物質過敏症の発症要因解明と芳香療法による症状緩和(無作為化割付介入研究)
- 2007 - 2008 Research on the effects of scales of offices on workers' health
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