Obesity is typically defined as a substantial accumulation of body fat that could impact health. Medical organizations tend to classify people living with obesity as based on body mass index (BMI) – a ratio of a person's weight in … 展开

Obesity increases a person's risk of developing various metabolic diseases, cardiovascular disease, osteoarthritis, Alzheimer disease, depression, and certain types of cancer. Depending on the degree of obesity and th… 展开

The "a calorie is a calorie" model of obesity posits a combination of excessive food energy intake and a lack of physical activity as the cause of most cases of obesity. A limited number of cases are due primarily to genetics, medica… 展开

Two distinct but related processes are considered to be involved in the development of obesity: sustained positive energy balance (energy intake exceeding energy expenditure) and the resetting of the body weight "se… 展开