There is a very interesting book on sugar. Pure, white and deadly by John Yudkin. Is backed by research. Also of interest it might be this talk by Robert Lustig: https://m.youtube.com/watch?v=kOCPyheVesM
When asked why, she said, "When we give animals fruits that humans eat, they all develop diabetes."
https://www.npr.org/2018/10/07/655345630/how-fruit-became-so...
An older pop science take "That Sugar Film" [1] also provides some interesting perspectives, and a more day-in-the-life practical example of what we're putting into our bodies.
Several years on and I'm still struggling to take a lot of these messages to heart, even though I know so much of what I eat is bad for me and hurting my metabolism.
See eg his wildly debunked claims on hubermans podcast.