This is exactly right, Maria. There is plenty of scientific evidence that sugar and other purposefully designed food additives activate the same pathways in the brain as addictive drugs, such as opioids. Here is the link to one of those studies; you don't need to read all of it, just the abstract to see the point: sugar releases opioids and dopamine and thus is expected to be addictive https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2235907/

And here is a book by Michel Moss, an investigative journalist, that explains all of it; the title is self-explanatory:

https://www.amazon.com/Hooked-Food-Giants-Exploit-Addictions/dp/B08CFVY1Y4/