We all intuitively know soda is bad for us, but many of us still continue to consume it. Some even drink sugar and caffeine free soda to justify their use. Here are all the reasons to give it up. From the Nutrition Research Center, the minute by minute effect of coke. Also, check this out. Choose your beverages wisely. Water is a good thing! Sparkling water with a squeeze of lemon or lime is refreshing and alkalizing.