7 Reasons to Give Up Sugar: Sugar is Not Food – It is empty calories with little nutritional value and actually causes your body to steal vitamins from other vital organs in attempt to process the sugar, leaving you undernourished. Sugar Makes You Fat – It is filled with calories that are stored in your fat tissues. Sugar Makes You Nervous – There is a clear link between excess sugar and disorders like anxiety, depression , and schizophrenia, because of extreme levels of insulin and adrenalin. Sugar Causes Diabetes, Kidney and Heart Problems – Excess sugar can damage the pancreas’s ability to function properly. Sugar Kills Your Teeth – Sugar increases the bacteria in your mouth that erodes enamel. The biggest crime is that many popular toothpastes contain sugar which is not required to be put the on the label. Sugar Suppresses the Immune System - Sugar interferes with the body by overtaxing its defenses. Sugar Causes Wrinkles – A high-sugar diet damages collagen.