There are any number of reasons why people go on diets, and these reasons vary from the simple to the serious. The most straightforward and simple reason why someone would go on a diet is that they want to lose weight. This in itself can be for any reason from a wide range, including the simple fact of aesthetics. It is accepted in most of Western society that the people who look the best are the slim ones. If you want to be attractive it is more or less accepted that you should concentrate on getting to the “right” weight. This is controversial, and this way of thinking is blamed for people developing eating disorders.
As well as cosmetic reasons, many people also choose to lose weight for the sake of their health. It is generally accepted that we all have an ideal weight for our height and build. Going too far over this weight makes it hard for your body to support your mass, and it is often blamed for heart attacks as well as musculo-skeletal problems. To reach your ideal target weight, it is essential to eat the right amount of calories. Judging how many calories you need is not just a matter of taking your height and build and calculating from there. There are also issues like how physically active your job is, and where in the world you live – in higher temperature climates you will burn calories quicker. Achieving your ideal weight by dieting requires no small amount of research.