It does read to me like this means 5 days of total fasting. If the 5 fasting days were spread out, then what did the participating subjects eat on non-fasting days before the "everyday food items" were reintroduced?
I don't have access to the paper and couldn't find a preprint so I cannot check beyond what is in the UPI article.
I don't have access to the full text either, but I'd be really surprised if it's five days of total fasting. I'd expect that it's low calorie days with some special restrictions (or even meals) they've set out.
nequo|3 years ago
I don't have access to the paper and couldn't find a preprint so I cannot check beyond what is in the UPI article.
alwillis|3 years ago
On the fasting days, it could be 16 hours of fasting and an 8-hour feeding window (16:8 in the fasting lingo).
[1]: https://www.healthline.com/nutrition/the-5-2-diet-guide
irremediable|3 years ago