If you think your partner may be depressed, your first step is to pay attention to the clues to get the right diagnosis and treatment. Here's what to look for and how to take action.

Liquid calories and nutrition can be good or bad for blood sugar and diabetes. Here's how you can get the healthiest bang from your beverages.

Smarter drugs. Healthy changes that really work. A bionic pancreas that acts like the real thing. Weight-loss surgery. (Plus cheaper insulin, gut bugs, broccoli that beats high blood sugar and more.) Here's the latest on the scientific advances with the potential to prevent diabetes—and make living with it easier than ever.