Currently in many countries, being slim is seen as attractive. Historical ideals of beauty were different. For example, if we look at European paintings from previous eras, we is that ideal figures of female beauty were extremely heavy by today's standards. the reason for this lies largely in society. what makes us fat is a rich diet combined with lack of exercise. Until a couple of hundred years ago, virtually all people lived in relative poverty; only the rich had plenty of food and could avoid hard work. In developed countries today, only the rich can afford the time and money needed to exercise at sports facilities. And the availability of high-calorie, cheap fast food in many countries makes it easy for poorer people to add inches to their waistline.