Obesity, also known as obesity disease, obesity is a number of social chronic diseases. The caloric intake of the body is higher than consumption, resulting in excessive fat accumulation in the body, resulting in overweight, bloated body, the actual measurement of weight more than the standard weight of more than 100%, and fat percentage of more than 30% is called obese. Commonly speaking, obesity is excessive accumulation of fat in the body. So, what are the causes of obesity? The following experts to introduce you to the causes of obesity. 1, material metabolism and endocrine function changes. 2, neuropsychiatric factors. 3, genetic and environmental factors. 4.Life and diet habits. 5.The increase in the number of fat cells and hypertrophy. 6, excessive energy intake and reduced consumption.