In large part, obesity represents the end result of excess calorie consumption.1 Because overweight or obesity has always been an issue, some may ask why we are focusing on it now.2 A unique change is occurring on a global scale.3 Overweight and obesity are more prevalent than ever in recorded history, rates have been rising in almost every society in which medical records are available, and the number of individuals who are overweight or obese is at an all-time high.