Some people become fat, but do not know how they came to the ranks of the fat, so they can not find a good way to lose weight. Clarify the reasons for obesity is the first step to lose weight. The following list of the most common 10 reasons for obesity, hurry to the right number to find the reasons for their obesity. 1, genetic reasons some people may be born is fat, which is mainly related to genetics. According to statistics, parents unilaterally obese, children fat chance is 40%, is the general public 4 times; If parents are fat, the chance is up to 80%, is the general public 8 times. 2, improper diet improper diet is an important reason for obesity. This is mainly reflected in two aspects, on the one hand, uneven nutritional intake. Daily meals, too much fat intake, protein, vitamins and other nutrients intake is insufficient, easy to make people fat. On the other hand, the amount of food is too much. This is easy to understand, even if the calories are low food, eat more, the accumulation of calories will be fat. 3, metabolic disorders metabolism is the role of the body to remove the burden of things, the new body of good things, when this mechanism does not work properly, there will be problems, such as high blood pressure, high blood fat, weight gain is also a phenomenon. In addition to disease, growing older, love to eat high-calorie, high-fat food, bad habits, will also slow down the metabolism, poor metabolism of calories, of course, will gain weight. 4, bad habits Some bad habits in life, small details are often the key to affect your figure. For example, some people like to sit down when the legs, this action persists for a long time, will hinder the circulation of blood and lymph in the legs, resulting in swelling of the lower body. 5, lack of exercise less people will have a low basal metabolic rate, low basal metabolic rate will make the body’s ability to consume calories is lacking, easy to gain weight. 6, lack of sleep sleep will prevent the body from metabolizing carbohydrates, resulting in higher blood glucose concentrations, higher insulin concentrations in the body, resulting in the body to store more fat. At the same time, the body will reduce the concentration of leptin, stimulating the body to take more carbohydrates, but also reduce the role of growth hormone to regulate the ratio of body fat and muscle concentration, which in turn makes you fat. 7, mental stress stress is likely to lead to high adrenal cortisol index, gastric motility and digestive function, increasing the appetite. And when people feel stressed, they will think of some way to divert attention, so “eat” has become the cathartic choice of most people. In this case, it is really difficult to not gain weight.