essay on obesity
OBESITY Obesity is defined as excessive accumulation of fat. ... In the United States, approximately 300,000 deaths a year are attributed to obesity . ... The rapid increase in obesity suggests that there are a large number of changes in today’s society that are contributing to weight gain. The clinical definition of obesity is usually expressed in terms of body mass index , which is derived by dividing one’s weight by the square of one’s height . In 1997, the World Health Organization defined various classifications of overweight and obesity.