Being associated with serious complications, obesity deteriorates the quality of life and causes increase in rates of early death. Since it leads to syste-mic problems, particularly metabolic abnormalities, obesity is one of the major public health issues. Insulin resistance, metabolic syndrome, prediabe-tic state, type 2 diabetes mellitus, dyslipidemia, hypertension, policystic ovary syndrome and problems regarding fertility are possible results of obesity associated with the endocrine system. In conclusion, obesity, a major problem with multifactorial etiology has become an epidemy worldwi-de. In order to prevent obesity, governments need to set policies. The collaboration of food industry and media is considered to be very important in preventing this major health problem.