Well-organized medical insurance systems cover all medical fees for di
abetes mellitus, and diabetics can visit doctors quite freely in Japan
. Also insulin therapy by self-injection became legal and covered by h
ealth insurance after 1981 in this country. Despite such good conditio
ns for the patients, there are some problems such as the increase of p
atients with diabetes, poor education systems for diabetics and not en
ough systems to care for patients with severe diabetic complications.