Why Is Everyone Suddenly Talking About This?
I need to say something a little strange out loud: when I was writing this book, the things I was researching — saturated fat, insulin resistance, how dietary guidelines get made — weren't exactly dinner party conversation. Now I can't scroll five minutes without a reel about insulin resistance, a post arguing about seed oils, or someone explaining why their doctor was "wrong about cholesterol." My book sales, I promise you, are not why. I haven't sold enough copies to move a cultural conversation. So what happened?
Some of it is genuinely traceable. Continuous glucose monitors, once strictly a tool for people with diabetes, have gone mainstream — people who've never had a blood sugar issue are wearing them just to see how food affects them in real time, and that personalized data is doing more to spread interest in insulin resistance than any single book or article could. Fiber has had its own moment this year, with "fibermaxxing" becoming enough of a cultural term that dietitians are being asked about it by name. And GLP-1 medications, as I've written about separately, have pulled metabolic health out of the specialist's office and into mainstream conversation for tens of millions of households.
I'll also say plainly: I think there's a taper happening on some fronts. The conversation around statins and cholesterol drugs, in particular, feels like it's met real resistance from parts of the medical and pharmaceutical establishment that have a lot riding on the existing guidance staying intact. I don't have hard data to back that impression up — it's an observation, not a claim — but it lines up with something I noticed while researching the book: the topics that threaten an established revenue stream tend to get contested a lot harder, and a lot longer, than topics that don't.
Here's my honest read on the "why now": I don't think it's any one cause. It's CGMs making metabolic data personal and visible. It's GLP-1 drugs making the stakes of metabolic health impossible to ignore. It's a genuine generational fatigue with dietary advice that kept reversing itself. And yes, it's probably partly algorithms — platforms rewarding content that says "everything you were told is wrong," because that's a more compelling hook than "actually, the guidelines were mostly fine." I got pulled into this topic the same way a lot of people did, and I don't think I'm immune to that dynamic just because I wrote a book about it.
What I'd ask you to take from this isn't "trust me, I called it first." It's the opposite: the fact that this conversation is suddenly everywhere is exactly the moment to slow down and ask who benefits from each version of the story you're hearing — mine included. That's the actual habit this book is trying to build, not a specific set of conclusions.