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The University of Utah says that are environment causes our genes to be switched ON or OFF at critical times. This switching leads to most known diseases we suffer. The question is what is our environment? Most of us believe that toxins and smoking leads to these bad types of switches that can cause cancers. Does our environment include more? Yes it does! The University of Utah says: “The genome dynamically responds to the environment. Stress, diet, behavior, toxins and other factors activate chemical switches that regulate gene expression.”