The basics of what your DNA does is tell your cells what proteins to make. Those proteins create larger structures and movements in your body from micro to macro scales. It controls the outward expression of all of your traits, or phenotype. Most people think that your DNA and it's expression is fixed, but it isn't completely the case. Your genes are like switches. They can be turned on and off to express or create different proteins at different times. This can be heavily influenced by your environment and your activities. Healthy habits like eating a balanced diet, drinking water, exercise, and smoking cessation can make you feel better and function better through influencing how your DNA ...