Answer the following question given this paragraph: 

Diabetes is a disease in which insulin fails to keep blood glucose levels within a healthy range. In type 1 diabetes, the pancreas doesn’t produce insulin. In type 2 diabetes, body cells do not respond normally to insulin.


Q: What is the main problem in both types of diabetes?

 Choices:

- metabolism

- blood concentration

- blood pressure

- insulin production

A:
insulin production
