No matter if you try to lose five pounds or more than 50 books, all in the same simple laws of physics determine whether you lose weight, and your rate of weight loss. While everyone is different, if each of these simple rules in mind and put them into practice, take note that the guidelines of the State to lead to weight loss, without the help of a special scheme for the plans, books, or drugs. Our weight is determined by the amount of energy that we, like the food, and the amount of energy we spend on the activities of our time. Energy is measured in calories. If your weight remains constant, probably in the same amount of calories you burn each day. Whether slow weight gain over time, it is likely that your caloric intake is greater than the number of calories burned by your daily activities. Each one is to control the amount of food he consumes each day, therefore, our house is a bit 'of calories, what we can with relatively simple. To some extent, we are also able to control our energy production, or the number of calories burned each day. The number of calories burned each day by: 1. Our basal metabolic rate (BMR) 2nd The number of calories burned per hour, we are only to life and bodily functions and 3rd Our level of physical activity For some people, for genetic (inherited) factors or other conditions, the resting metabolic rate may be slightly higher or lower than average. Our weight also plays a role in the definition, because we have a lot to burn calories at rest - the more calories the body in its current state, the greater your body weight. For example, a person who weighs a hundred pounds less energy (food), the body weight of a person who weighs 200 pounds. Life habits and in part determine how many calories we need each day. Someone with the difficult task of physical work, of course, is to burn more calories in a day for someone who is at a desk for most of the day (a work). For those who do not have jobs, the intensity of physical activity, you must move or increase physical activity by the number of calories consumed. Estimate, with an average of 31-50 women, to have a lifestyle that needs to put about 1,800 calories a day for a normal weight. A man of the same age needs about 2200 calories. Participation in a moderate level of physical activity (exercise 3-5 days per week), about 200 extra calories a day. To lose weight or not, you want to eat, reasonable and balanced meals with smaller portion sizes, cut or reduce the absorption of calories a day, you try with your efforts for the elimination of fat in foods and ensure that it exercises on a regular basis.