Health and fitness actually go hand-in-hand in a very simple manner. When you eat healthily, and when you exercise, your body starts taking shape. Instead of being a couch potato, your body actually starts getting defined muscles and, it will start getting healthier by the day. You will actually have more energy than you had before. Energy and stamina obviously come along with good health and a decent exercise regimen. There have been a lot of research studies that indicate that physical exercise is one of the most essential things that a human body requires. Eating healthy, staying healthy and exercise are essential.