Why do you want a happy belly? One of the most important body parts you have is your belly. It's the focus as summertime approaches (after you've been hibernating behind baggy sweaters all winter long) and is also the most common area men and women want to get rid of extra weight and tighten up.However, when your belly doesn't feel good on the inside, such as from bloating, nausea or stress, it can cause more health problems down the line.What are 19 factors you can use to keep your belly healthy and happy? Yogurt Kefir Soft cheeses Sauerkraut Miso Tempeh Buttermilk Sourdough bread Kimchi Bananas Oatmeal Asparagus Red wine Enjoy a diet that is varied and well-balanced Decrease fat in your diet Lean protein Stay hydrated Physical activity Stress management Carissa Bealert, RD, shares why you want a healthy and happy belly and the 19 simple ways you can achieve that.