Originally posted by MrFatBooty
Iced tea has caffeine in it which is a diuretic, it makes you dehydrated.
The reason carbonated drinks are worse for you is that the CO2 interacts with the water and forms carbonic acid, which can eat away at the enamel of your teeth.
that and the strong majority of sodas have a phosphorous base, which wreaks havoc on your metabolism and causes your body to store fat more readily.