Michiyo Yamakawa

ORCID: 0000-0002-3117-3882
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About
Contact & Profiles
Research Areas
  • Nutritional Studies and Diet
  • Travel-related health issues
  • Obesity, Physical Activity, Diet
  • Alcohol Consumption and Health Effects
  • Breastfeeding Practices and Influences
  • Diet and metabolism studies
  • Health disparities and outcomes
  • Dental Health and Care Utilization
  • Circadian rhythm and melatonin
  • Sleep and related disorders
  • Birth, Development, and Health
  • Dysphagia Assessment and Management
  • Hepatitis Viruses Studies and Epidemiology
  • Cleft Lip and Palate Research
  • Pediatric health and respiratory diseases
  • Diet, Metabolism, and Disease
  • COVID-19 epidemiological studies
  • Vaccine Coverage and Hesitancy
  • Tea Polyphenols and Effects
  • Coffee research and impacts
  • Ginkgo biloba and Cashew Applications
  • Smoking Behavior and Cessation
  • Liver Disease Diagnosis and Treatment
  • Asthma and respiratory diseases
  • Child Development and Digital Technology

Gifu University
2018-2025

Okayama University
2013-2023

October 6 University
2023

Ministry of Education, Culture, Sports, Science and Technology
2023

Jichi Medical University Hospital
2017-2018

Jichi Medical University
2017-2018

University of Toyama
2017

Showa University
2013-2017

The University of Tokyo
2017

10.1016/j.annepidem.2015.03.007 article EN Annals of Epidemiology 2015-04-18

Although it is suggested that breastfeeding protective against obesity in children, the evidence remains inconclusive because of possible residual confounding by socioeconomic status or children's lifestyle factors. Most participants previous studies were children Western developed countries, so a different context are awaited.To examine associations with overweight and among schoolchildren Japan, adjustment for potential confounders.Secondary data analyses nationwide longitudinal survey...

10.1001/jamapediatrics.2013.2230 article EN JAMA Pediatrics 2013-08-13

Objectives We investigated the association between breastfeeding duration during first half year of life and risk early childhood caries from age 30 to 66 months in Japan. Design Observational study a longitudinal survey. Setting A secondary data analysis Japanese Longitudinal Survey Babies 21st Century. Participants 43 383 infants at 6 months. Outcome measures Early caries—defined as child's visit dentist for treatment dental past 12 months—was ascertained caregiver estimated each according...

10.1136/bmjopen-2014-006982 article EN cc-by-nc BMJ Open 2015-03-01

Abstract Purpose Several epidemiological studies have demonstrated the health benefits of polyphenols, but associations between polyphenol intake and mortality including total major causes death remain unclear. We investigated subjects’ their from all causes, cardiovascular disease (CVD), cancer, other in a population-based cohort study Japan. Methods A 29,079 residents Takayama City, Japan were analyzed. Their dietary was assessed using validated semi-quantitative food-frequency...

10.1007/s00394-019-02136-9 article EN cc-by European Journal of Nutrition 2019-11-15

Abstract There is some biological plausibility that exogenous melatonin plays a role in preventing liver carcinogenesis. has been little research on the association between intake normal diet and health outcomes. We evaluated dietary incidence of cancer population‐based prospective study Japan. This included 30,824 residents Takayama city who were 35 years age or older 1992 had participated study, Dietary was assessed using validated food frequency questionnaire at baseline. Melatonin...

10.1111/cas.16103 article EN cc-by-nc Cancer Science 2024-02-14

10.1016/j.clnu.2017.04.015 article EN Clinical Nutrition 2017-05-06

Whether or not breast-feeding is protective against asthma among children still controversial. Therefore, we examined the effects of on hospitalization for in early childhood.

10.1017/s1368980014002407 article EN Public Health Nutrition 2014-11-06

Abstract Studies on the intake of different types carbohydrates and long-term mortality are sparse. We examined association starch, total each type sugar free sugars with risk cause-specific in a cohort general population Japan. Study subjects were 29 079 residents from Takayama Study, Japan, who responded to self-administered questionnaire 1992. Diet was assessed by validated FFQ at baseline. Mortality ascertained during 16 years follow-up. noted 2901 deaths (974 cancer related 775...

10.1017/s0007114519001661 article EN British Journal Of Nutrition 2019-08-27

Few large epidemiological studies have evaluated the association between dietary advanced glycation end products (AGEs) and cancer risk. We relationship AGE intake incidence of total site-specific cancers in a population-based prospective study Japan. Participants were 14,173 men 16,549 women who 35 years age or older 1992. Dietary was assessed via validated food frequency questionnaire. Intake Nε -carboxymethyl-lysine (CML) estimated using databases CML content foods determined...

10.1111/cas.15455 article EN Cancer Science 2022-06-05

A large-scale food poisoning caused by methylmercury was identified in Minamata, Japan, the 1950s. The severe intrauterine exposure cases are well known, although possible impact of low-to-moderate utero rarely investigated. We examined neurocognitive functions among 22 participants mainly using an intelligence quotient test (Wechsler Adults Intelligent Scale III), 2012/2013. tended to score low on Index processing speed (PS) relative full-scale IQ, and discrepancies between PS other scores...

10.1080/19338244.2014.904268 article EN Archives of Environmental & Occupational Health 2014-06-27

Average maternal age at birth has been rising steadily in Western and some Asian countries. Older associated with adverse pregnancy outcomes; however, studies on the relationship between young children's health remain scarce. Therefore, we sought to investigate association of child outcomes Japanese population. We analyzed data from two cohorts nationwide Longitudinal Survey Babies 21st Century (n2001 = 47,715 n2010 38,554). estimated risks unintentional injuries hospital admissions 18 66...

10.1371/journal.pone.0172544 article EN cc-by PLoS ONE 2017-02-24

10.1016/j.atherosclerosis.2017.12.004 article EN Atherosclerosis 2017-12-08

10.1016/j.clnu.2017.08.006 article EN Clinical Nutrition 2017-08-14

Background: The association between the number of teeth and mortality among community-dwelling people has been examined in many epidemiological studies. However, few Japanese studies have included cancer as an endpoint. We prospectively investigated remaining all-cause a community.

10.2188/jea.je20180243 article EN cc-by Journal of Epidemiology 2019-04-19

We aimed to examine the association of exposure environmental tobacco smoke with dental caries among preschool children. Exposure was assessed in terms urinary cotinine concentrations and pack-years smoking by parents other family members at home.This cross-sectional study included 405 children aged 3-6 years from two preschools Japan 2006. Information on habits living child obtained parent-administered questionnaires. Dental examination conducted assess caries, that is, decayed and/or...

10.1186/s12199-019-0764-1 article EN cc-by Environmental Health and Preventive Medicine 2019-01-26

Although skin color has been suggested to be associated with the risk of some chronic disease, there no validated visual skin-color scale, which subjects can self-report their color. Our objective was develop a evaluation scale for self-reporting that would useful in large-scale epidemiological studies.Study participants were 99 university Japanese students aged 19-29. We developed consisting six colors from light dark. Participants asked choose one closest Their measured on back hand and...

10.1111/srt.13207 article EN cc-by-nc-nd Skin Research and Technology 2022-10-09

Background: Effects of using mobile devices on childhood obesity have not been well studied. We aimed to ascertain whether cell phone use and screen viewing are associated with excess body weight in a cross-sectional study Japanese school children. Methods: Subjects were 3141 students, ages 6 7 years, who participated the Hekinan Children's Study conducted during 2011-2015. Participants asked submit parent-administered questionnaire child parent demographics, health status, lifestyles,...

10.1089/chi.2018.0312 article EN Childhood Obesity 2019-07-12

Aim To evaluate the association between amount and frequency of alcohol consumption incident dementia in older Japanese adults using large sample size data over a long follow‐up period. Methods This was retrospective cohort study carried out Japan. A total 53 311 were followed from 2008 to 2014. health checkup questionnaire used assess consumption. The Dementia Scale long‐term care insurance as measure dementia. Cox proportional hazards models calculate adjusted hazard ratios, with their 95%...

10.1111/ggi.13694 article EN Geriatrics and gerontology international/Geriatrics & gerontology international 2019-06-07
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