To begin with having a healthy diet. First, drink more water. Let's start off easy. Adult humans should be drinking a liter or more water per day -- that’s six eight ounce glasses of water. Water keeps bodies at the correct temperature and removes toxins. You'll be and feel healthier pretty automatically. Then, Eat well throughout the day. If half your plate is vegetables and fruit, you're on the right track. Add in lean protein, low-fat dairy and whole grains. Once a steady eating pattern has been established, your body will feel more comfortable. There may be a period of time when your body is wondering where the heck the Oreos went, but once you're over the hump; you'll feel better than ever.