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Hygiene Lab
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A lab that uses data to clarify how environments such as climate and air affect people's health.
AboutAbout the lab
Thinking about people's health through global and local environments
The lab studies how various environmental factors affect people's health.
Its scope is broad, ranging from global environmental issues such as climate change, air pollution, Asian dust, heat waves, and heavy rain, to local healthcare problems.
The lab uses environmental epidemiology methods that combine large-scale clinical data with environmental data obtained from ground observations and satellite remote sensing.
The lab also conducts epidemiological research on health and welfare for older adults, in particular on the symptoms that accompany dementia.
Key terms
- Epidemiology
- The study of how often diseases occur in populations and what causes them or puts people at risk.
- Remote sensing
- Technology that observes the condition of the land surface and atmosphere at distant locations, using tools such as satellites.
- BPSD
- Behavioral and psychological symptoms of dementia, which appear along with dementia. Examples include wandering, agitation, anxiety, and depression.
NewsLab news
A review summarizing the relationship between Kawasaki disease and the outdoor environment, based on a collaboration involving the Associate Professor and colleagues, was published
A paper by Assistant Professor Arai and colleagues was published in Geriatric Nursing (New York, N.Y.)
A paper by Prof. Ueda and colleagues was published in JAMA Network Open
A paper by Prof. Ueda and colleagues was published in Global Health Action
A paper by Assistant Professor Arai and colleagues was published in International Psychogeriatrics
ResearchResearch themes
The lab aims to clarify, at the population level, how environmental factors affect people's health. It works on environmental epidemiology, which examines the relationship between the atmospheric environment and health, and on epidemiological research into health and welfare issues for older adults.
*Illustrative imageAtmospheric Environment and Health
The lab uses statistical analysis of data from Japan and abroad to study how air pollution, weather, and climate change affect health. It also makes future projections from the results, aiming to contribute to disease prevention.
*Illustrative imageEpidemiology of Health and Welfare for Older Adults
The lab conducts epidemiological research on behavioral and psychological symptoms of dementia (BPSD) among people with dementia living at home or in care facilities. It also examines issues such as differences between care settings and the use of psychotropic drugs among older adults.
MembersFaculty
The members of the lab consist of faculty, postdoctoral researchers, doctoral students, students in the Department of Medicine, visiting researchers, and secretaries.As of 2026
- ProfessorKayo Ueda
- Associate ProfessorSEPOSO Xerxes
- Assistant ProfessorAsuna Arai
- Assistant ProfessorVera Ling Hui Phung
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Portrait of Global Aerosols” William Putman, NASA/Goddard / Public domain (cropped)
- Atmospheric Environment and Health: “Smog over Almaty” Igors Jefimovs / CC BY 3.0 (cropped)
- Epidemiology of Health and Welfare for Older Adults: “Walker. frame” The original uploader was High Plains Drifter at English Wikipedia. / Public domain (cropped)
- Related lab (Public Health Lab): “Koshimizu yamubetsu” Opqr / CC BY-SA 4.0 (cropped)
- Related lab (Infectious Diseases Lab): “HIV-budding-Color” Photo Credit: C. Goldsmith Content Providers: CDC/ C. Goldsmith, P. Feorino, E. L. Palmer, W. R. McManus / Public domain (cropped)
- Related lab (Health Policy Evaluation Lab): “National Diet Building” Kakidai / CC BY-SA 4.0 (cropped)
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