1. Not starting a diet. The “I’ll-start-tomorrow” syndrome is the main reason why people stay overweight.
2. Not staying on a diet. Cheating just once or just a little bit is often the first step in ruining a diet.
3. Omitting food categories from the diet. Many people give up breads and potatoes, for instance, but these foods contain carbohydrates needed-for complete nutrition.
4. Eating too much of one food category. Some high protein foods such as meats, eggs and cheese are high in cholesterol and calories too.
5. Skipping meals. This not only deprives the body of proper nutrition, but meal skippers tend to overeat at the next meal in compensation.