Approximately 1 in 30 family members with type 1 diabetes may be at risk of developing the disease - International University of Health and Welfare

It is said that there are 100,000 people in Japan with type 1 diabetes, but a group at the International University of Health and Welfare has compiled a survey showing that approximately 1 in 30 of the patients' family members are at risk of developing the disease in the future and should undergo regular testing.