We have milk, water, coffee, tea. I'm sure my kids get a soda at school, but never had them around the house, and it's not something we crave or desire. If you've ever used Coke to dissolve battery corrosion, you'll think twice before pouring all those chemicals down your throat.
Cancer, diabetes, auto immune disorders... all 20th Century maladies that rose with the use of chemicals, preservatives, and pesticides. Colas are poison. IMHO.