In this preview of tomorrow's show, Dr. Oz investigates a new weight-loss drug that claims to change the signals in your brain to reduce your most powerful cravings. Could it work for you?

We all love a good cup of coffee to wake us up in the morning. But that routine drink may be doing good things for your health. Turns out, drinking coffee could help you do three big things: burn fat, lower your risk of type 2 diabetes, and boost your mood. Watch the video below to see how, plus three ways to spice up your coffee with adding calories!