It's not a proven link. But I hear you, why wait around for proof especially if you like homemade bread.
Oh dear, correlation is not causation. http://www.tylervigen.com/spurious-correlations
https://www.bbc.co.uk/news/health-43064290 Processed meat was well known, but didn't realise the link with processed bread. "What counts as ultra-processedMass-produced packaged breads and buns"
I'd love a link for those French researchers please, thanks.
Is the only difference between this and the ZB2512 that this doesn't do sourdough?