There is no age limit for diabetes, and it is possible to develop diabetes at any age, as well as at the age of 23. There are four types of diabetes: type 1 diabetes, type 2 diabetes, special type of diabetes and gestational diabetes. type 1 diabetes is mostly seen in adolescents and young adults, presenting the typical three more and one less symptom, prone to diabetic ketoacidosis, mainly insulin deficiency. type 2 diabetes is mostly older than 40 years of age, there can be a family history of diabetes, combined with hypertension, high blood pressure, high blood cholesterol, obesity, etc., and special type of diabetes is associated with genetic mutation or hereditary. Genetic mutations or heredity.Young patients aged 23 years are likely to have type 1 diabetes, which is predominantly insulin-deficient and requires insulin-dependent treatment. Type 2 diabetes is also possible, especially if the patient has obesity or a family history of diabetes, and is more likely to be complicated by type 2 diabetes, which is often accompanied by both insulin resistance and insulin deficiency. 23 year old patients may also have special types of diabetes, such as diabetes after recurrent pancreatitis.