I'm impressed that you could snack on plain wonder bread. I don't think that I could have. I got through a lot, but toasted and with peanut butter.
The video is funny but I was hoping to hear the author’s rant on bread in his typical humble, brit filtered through Japan kind of way.
Now a comparison of US vs. EU cases of early onset colorectal cancer would be required.
https://www.wcrf.org/cancer-trends/colorectal-cancer-statist...
For bad diagnosis and treatment, Barbados, Samoa and Singapore seem to be outliers.
Doesn't seem to help Norway, Portugal, Japan, Croatia, or Denmark.
Too much oil, not enough grain?
"Potassium bromate, a potent oxidizer that helps bread rise, has been linked to kidney and thyroid cancers in rodents."
if something is "linked to ... cancers in rodents", that tells us basically nothing about its safety in the industrial process and consumption by humans.
...but far from all US bread. You tend to find the more questionable additives in the cheapest store-bought breads. But it's also not hard to find higher-quality bread that omits them.