Full disclosure up front: I did keto for about seven months back when I was trying to dig myself out of my fast-food era. I lost weight. I also lost the ability to have a normal conversation about bread, and eventually I gained most of it back. So when a new keto study comes out, I read it with the neutral eyes of a man who has been personally victimized by cauliflower pizza crust.

That said, this one's worth talking about. A new study found that a ketogenic diet reduced liver fat by roughly 67% in participants and reversed prediabetes in about half of them. Those are big numbers. Genuinely striking numbers, especially for anyone dealing with fatty liver, which is a shockingly common condition that most people don't even know they have.

The mechanism isn't mysterious. Keto cuts carbs so low that your body has to burn fat for fuel, and the fat sitting around your liver is often first to go. Meanwhile, cutting carbs hard tends to drop blood sugar and insulin levels, which is why the prediabetes reversal doesn't surprise anyone who follows this research. My mom, who is a doctor and my permanent free consulting service, has been saying for years that fatty liver is basically a blood sugar problem wearing a disguise. The science keeps backing her up. Which she never lets me forget.

Now the part where I pump the brakes, because I'd be a bad buddy if I didn't. This was a small study. Small enough that the researchers themselves flag the sample size as a real limitation. When you're talking about half of participants reversing prediabetes, and your participant pool is modest, that percentage gets shaky fast. Half of a small group isn't nothing, but it's also not half of a few thousand people. We've seen plenty of promising small nutrition studies fall apart when bigger trials ran them back.

Then there's the long-term question, which hangs around keto like a bad smell. Cutting liver fat during a controlled study period is one thing. Staying on a diet that strict for years, in real life, at birthdays and work lunches and your mother-in-law's house, is another thing entirely. I couldn't do it. Plenty of people can't. A diet only works to the extent you can actually live with it, which is exactly why I wrote a while back that the deprivation-based approach itself is broken for a lot of guys.

So what's the practical takeaway if you've got fatty liver or prediabetes? The encouraging part is that the diet doesn't have to be full keto to get benefits. Lowering your carbs, cutting the sugary drinks and late-night snacking, losing even a modest amount of weight, those moves have been shown repeatedly to reduce liver fat. Keto may get you there faster. It also may get you to a place where you're crying in the bread aisle by week nine. Neither of those is a moral failing, and you're not broken if strict keto isn't for you.

And a real-talk note: if you've been told you have fatty liver or prediabetes, loop in an actual doctor before going hard on any diet, especially one this restrictive. Prediabetes reversal is a medical outcome, and it deserves medical supervision, not just a guy on the internet who once ate so much bacon he got bored of bacon.

Good study, genuinely interesting numbers, and I hope the bigger trials happen. But you don't need to be perfect keto to protect your liver. You just need to start somewhere, and wherever you are right now is a fine place to do that.