It is important you get your heart rate up and you get a good cardio workout at least twice a week. This type of exercise takes time to work up to if your just making decisions to change. Exercise stimulates your mind and increases your metabolism. Your body and mind need exercise to keep you healthy and strong.
Making wiser choices in what you eat and drink are vital in becoming more healthy. You have heard the saying, "you are what you eat" and its true. If you choose to eat fatty, greasy, starchy food all the time; your going to feel totally gross. Your body is a living organism that needs living things to thrive. Eat fresh fruit and vegetables as often as you can. Avoid soda, diet drinks, and concentrated juices...these all have little or no nutritional value and in many cases will make you gain more weight.