Slow and steady weight loss of no more than 1 pound per week is the safest way to lose weight. Very rapid weight loss can cause you to lose muscle rather than fat. Moreover it also increases your chances of developing other problems, such as gallstones, gout, and nutrient deficiencies. Making long-term changes in your eating and physical activity habits is the best way to lose weight and keep it off over time.

Eat Better: Whether you are trying to lose weight or maintain your weight, you should take a look at your eating habits and try to improve them. Try to eat a variety of foods, especially pasta, rice, bread, and other whole-grain foods. You should also eat plenty of fruits and vegetables. These foods will fill you up and are lower in calories than foods full of oils or fats.
Increase Physical Activity: Physical activity should be a part of your daily life to control your weight and lower your risk for health problems. Spend less time in activities like watching television and playing video games. Try to do at least 30 minutes of physical activity a day on most days of the week start in short spurts--10 minutes here, 20 minutes there--as long as it adds up to 30 minutes a day. Make a habit to walk to the store instead of using your car or Bike, and take the stairs instead of the elevator