Discover how to master the Apple Watch Ultra 3 with this beginner-friendly guide to features, navigation, and customization.

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.

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