 We're taking more walks, and on the weekends, we head down to the pool at the rec center. It doesn't happen every day, but it does happen. You don't have to change your entire life to be healthier. Just make some simple changes and include your family. You'll see how easy and fun it can be. You can make a difference. Eat smart, play hard. And when you do, your kids will too. A challenge from USDA.