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Tanisawa Lab
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A lab that unravels individual differences in how the body responds to exercise and diet.

AboutAbout the lab
Even with the same exercise, the effect differs from person to person.
The Tanisawa Lab studies the effects of physical activity, diet, and daily rhythms on the body, and the mechanisms behind them.
It combines multiple approaches: physiology and biochemistry, epidemiology, and genetics.
It focuses in particular on individual differences in how the body responds to exercise and diet, and on the factors that produce those differences.
It aims to develop health promotion that takes individual differences into account, as well as training and conditioning methods for athletes.
Key terms
- Genetic polymorphism
- Small differences in the sequence of the same gene from person to person. A source of individual differences in constitution.
- Gut microbiota
- The community of bacteria living in the intestines. Its composition differs from person to person.
- Cohort study
- A method that follows the same group of people over a long period to examine how lifestyle habits relate to later health.
NewsLab news
A collaborative study involving Associate Professor Tanisawa reported that brain volume can be estimated from head composition measured by DXA
Associate Professor Tanisawa received the Waseda University Research Award for fiscal 2025 (International Research Dissemination)
Associate Professor Tanisawa and colleagues reported that a decline in muscle mass can be estimated from changes in calf circumference
A paper from the lab on the effects of upper-body and lower-body exercise on next-day blood triglycerides was published in Frontiers in Physiology
Associate Professor Tanisawa and colleagues reported that high cardiorespiratory fitness attenuates the genetic risk of hypertriglyceridemia and obesity
ResearchResearch themes
The lab investigates the effects of physical activity, diet, and daily rhythms on the body using approaches from physiology and biochemistry, epidemiology, and genetics. It aims to generate new findings by combining knowledge and techniques without being confined to a single field.
*Illustrative imageIndividual differences in responses to exercise and diet
The body's responses and adaptations to physical activity and diet vary from person to person. The lab investigates the factors that determine these differences, focusing on genetic polymorphisms and the gut microbiota, with the aim of developing personalized exercise and nutrition prescriptions.
*Illustrative imageGenetic factors determining physical fitness and athletic ability
In general adult populations, the lab searches for genetic polymorphisms related to individual differences in cardiorespiratory fitness and muscle strength. It is also working to clarify the genetic background of exceptional athletic ability through genome analysis of world-class track and field athletes.
*Illustrative imageDaily rhythms and health
The lab examines how within-week variation in sleep timing and meal timing, as well as social jet lag, affects health. It also plans research on preventing the health problems caused by disrupted daily rhythms, using chrono-nutrition and chrono-exercise approaches.
*Illustrative imageCohort study of alumni
To build evidence on physical activity and fitness among Japanese people, the lab is conducting a cohort study of Waseda University alumni. It aims to collect diverse biological data over the long term and clarify the mechanisms of health promotion and disease prevention.
MembersFaculty
The Tanisawa Lab consists of faculty, research assistants, graduate students in the doctoral and master's programs, and undergraduate lab seminar students.As of 2026
- Associate ProfessorKumpei Tanisawa
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: “Fingerprint - Central Pocket Loop Whorl” Saurabh R. Patil / CC BY-SA 3.0 (cropped)
- Individual differences in responses to exercise and diet: “Lactobacillus (Gram+)” Yelen / CC BY 4.0 (cropped)
- Genetic factors determining physical fitness and athletic ability: “DNA Helix CPK” Ude / Public domain (cropped)
- Daily rhythms and health: “Hourglass with sand” John Morgan / CC BY 2.0 (cropped)
- Cohort study of alumni: “Stevenson screen exterior” 作者不詳 / Public domain (cropped)
- Related lab (Maeda Lab): “Elastic artery seen in a histological section” Otávio Astor Vaz Costa / CC BY 4.0 (cropped)
- Related lab (Nobuhiro Nakamura Lab): “Diseased Blood Vessel Model ( )” The U.S. Food and Drug Administration / Public domain (cropped)
- Related lab (Miyachi Lab): “Footprints on the snow road - 1” KKPCW / CC BY-SA 4.0 (cropped)
- Related lab (Sawada Lab): “Snow-cholera-map” after John Snow / Public domain (cropped)
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