I'm not so sure. IF was in "fad" mode several years ago. The IF sub-reddit is already 6 years old. Now it just appears to be something that people are redisc

I'm not so sure. IF was in "fad" mode several years ago. The IF sub-reddit is already 6 years old. Now it just appears to be something that people are rediscovering because of posts (mainly on social media) about this type of research. There's nothing "new" in IF in terms of the approach to diet. Here's an HN submission from 2012: https://news.ycombinator.com/item?id=4341091 https://news.ycombinator.com/item?id=4341091