Have you ever felt great after working out? Not just proud of yourself, but physically great? Chances are you have. That's because moving your muscles releases chemicals in your brain. But there’s more benefit to your brain cells when you work out than just those sweet, sweet endorphins many people crave. When people feel happy, their productivity increases, their relationships improve, and they get better at coping with the challenges and unpredictability of life. For week five of the Summer Throwdown challenge, we're going to look at how working out can boost our brain health.