There are several causes of diabetes.

Diabetes mellitus is caused by a variety of factors, such as genetic factors, environmental factors, metabolic factors, drug factors, etc.

1, genetic factors

Diabetes mellitus has a clear genetic tendency, some patients due to carry genetic genes, leading to the probability of diabetes is higher than others.

2, environmental factors

Environmental factors are one of the important incentives for diabetes, especially long-term lack of exercise, smoking, drinking and so on are more likely to cause diabetes.

3, metabolic factors

If there are abnormal metabolism, such as fat metabolism disorders, protein metabolism disorders, etc., may lead to diabetes.

4, drug factors

Some drugs, such as glucocorticoids, antibiotics, anti-tumor drugs, etc., may affect blood sugar, cause diabetes.