Medtronic’s acquisition of Companion Medical brought a smart insulin pen, the InPen, into its diabetes care lineup.

Many people with diabetes prefer an insulin pump to insulin injections. Here's how to know if it's right for you.

Types of insulin include short-acting, rapid-acting, intermediate-acting, long-acting, ultra-long-acting, and inhaled. Here's which is best for you.

Learn how the hormone insulin regulates your blood sugar, why blood sugar levels matter, and side effects to watch for if you take prescription insulin.