8. Refined Sugars

Refined sugars aren’t good for you, but you already knew that. You probably didn’t know that they can increase the rate of development of cancer. In 1931, Otto Warburg, a German Nobel laureate in medicine, first discovered that tumors and cancers both use sugars to “feed” themselves and multiply. This is particular apparent when talking about sweeteners like high-fructose corn syrup (HFCS).