Department of Veterinary Medicine;
Joint Faculty of Veterinary Medicine;
Kagoshima University;
Kagoshima;
Japan;
Health Promotion Center;
Nakamura Gakuen University;
Fukuoka;
Japan;
Faculty of Public Health;
Sam Ratulangi University;
Manado;
Indonesia;
Yonemori Hospital;
Kagoshima;
Japan;
Department of Preventive Medicine and Public Health;
Keio University School of Medicine;
Tokyo;
Japan;
Department of Community Medicine Management;
Faculty of Medicine;
Shimane University;
Shimane;
Japan;
Department of International Islands and Community Medicine;
Kagoshima University Graduate School of Medical and Dental Sciences;
Kagoshima;
Japan;
JA Kagoshima Kouseiren Medical Health Care Center;
Kagoshima;
Japan;
Homocysteine; FFQ; Vegetables; Chinese; Tea; Natto; Egg; Miso; Soup; Yoghurt;