Obesity is a disease that is characterized as an excessive accumulation of body fat. It is diagnosed using the so-called a BMI index, which is calculated using height and weight. It affects an individual's health and is associated with other diseases.
Causes of obesity include excessive energy intake and low energy expenditure. This means that individual takes in more calories than is able to burn over a long period. In addition, genetic predisposition, sedentary lifestyle, psychological and hormonal disorders or metabolic factors are also among the causes of obesity.
Health risks associated with obesity include a cardiovascular disease, diabetes, joint, and bone problems, as well as psychological problems.