Inside the Human Body

This should put your dieting into perspective—this container holds five pounds of human body fat! Imagine carrying five or ten of these on your back. That's what you're doing to your body when you gain weight.

The reason we get fat, Dr. Oz explained, is because our ancestors survived because they could store fat. In modern society, with no problems of food shortage, we're taking in more fat than we need to survive. By controlling your weight, Dr. Oz says, you can add years to your life.