On: I almost quit caffeine in one year

[bluntfang]

according to this study [0] artificial sweeteners affect your insulin response and resistance, but some other cursory googling says that this is a contested claim without much study.

[0] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7014832

[eurasiantiger → bluntfang]

Actually, a cursory Google Scholar search pretty much confirms that these things have been widely studied and that at least sucralose DOES affect the insulin response.