https://sci-hub.tw/10.1086/701477
This just came out this month, from Yale. I happened upon it because my dad sent me a link to some study on fasting- and this was in the latest news of the site he linked. Did some detective work on Sci Hub, and now we have the full text.
This article lends itself to things that have been spoken by Amber O’Hearn, Shawn Baker, Georgia Ede, etc.