In order to understand why sugar is unhealthy in certain amounts, you must understand how the body breaks it down. Before sugar enters the blood stream from the digestive tract, it is broken down into two sugars: glucose and fructose. Glucose can be produced by our bodies if we do not gain it from our food. Whereas, fructose is not produced in any significant amount by our bodies and there is no psychology need for it. Fructose can only be metabolized by the liver, this is not a problem if we eat it in small quantities, like if we were to eat fruit and then were to exercise. In these cases, the liver will turn fructose into glycogen and keep the sugar stored until we need it. However, if the liver is already full of glycogen, which is typical,
