Before 20th century obesity was identified as a problem but was not worth solving for those people. As with the change of time and necessities for survival and staying healthy, removal of obesity has become the priority. Before evaluation of weight loose products treatment of obesity was a list of exercises and change in diet only but in present many new treatments for obesity including drugs have appeared. Generally obesity is considered as a noticeable and problematic gain of extra fat. In medical terms, it is considered a pathological disorder which could be an open arm invitation to many problems. There is no doubt that everyone accepts that behind 80% of these people there is single cause and that is over eating and poor eating behavior. So it is possible to control weight by improving eating habits. Yes of course it is possible to control weight by controlling appetite but the biggest problem is to control appetite itself.