Basically, every carbohydrate you eat gets converted into sugar only & carbohydrates are the ones that provide majority of your daily energy requirement. Processed sugar is bad but body does need sugar too in appropriate quantity.
Take a look at this article which has some interesting points:
[URL unfurl="true"]https://sitn.hms.harvard.edu/flash/2015/natural-and-added-sugars-two-sides-of-the-same-coin/[/URL]
