To inject insulin safely and effectively, it's important to follow your doctor's advice and remember a few key steps.

To check your blood sugar levels at home, you can use a glucose meter or a continuous glucose monitor. Here's what you should know about both devices.

The new substance combines both insulin, the hormone that lowers blood sugar levels—and glucagon, which that increases them.

This test uses saliva and connects to your phone to deliver quick insights into your stress hormones -- no needles needed.