Processed carbohydrates are harmful, however sugar is particularly harmful in its effects on the hormonal system, insulin resistance, concentration, dental decay (and tooth growth in children), psychology of child, irratibility etc. Humans are simply not designed to consume such vast amounts of industrial grade sugar in such quantities.
You can literally throw sugar canes into a juicing machine and it has less sugar content than a can of coca cola
You can literally throw sugar canes into a juicing machine and it has less sugar content than a can of coca cola