keto

With the explosion of keto, there’s an ever growing constant stream of new information about the significant benefits, supposed risks, and varying “rules” for how to adopt a keto diet. As with most things, it’s easy to get sucked into information overload. (And that doesn’t even take into account the hype that unfortunately gets distributed...

For today’s edition of Dear Mark, I’m answering three questions. First up, what can a person do to help their gut recover its barrier function after too many antibiotics? Are there any foods, supplements, or dietary strategies? Second, what can explain rapid fatigue during sprint sessions on a keto diet? Is this simply part of...

Biological systems are self-maintaining. They have to be. We don’t have maintenance workers, mechanics, troubleshooters that can “take a look inside” and make sure everything’s running smoothly. Doctors perform a kind of biological maintenance, but even they are working blind from the outside. No, for life to sustain itself, it has to perform automatic maintenance work...

Move over, keto crotch. There’s a new fear-mongering anti-keto media blitz forming: keto bloat. According to the “good scientists” of the Kellogg company food lab, an unprecedented number of young people are walking around with bloated guts and colons packed to the brim with impacted fecal matter, and it’s all because they’ve embraced ketogenic diets and...

I have a confession to make: I, Mark Sisson, suffer from keto crotch. It’s embarrassing, really. I thought maybe it was just the change in climate moving from Malibu to Miami—the humidity, the heat, the fact that I’m paddling and swimming more often now. There’s a whole lot of moisture down there. Perpetual steaminess. But then I...

The relationship between stress and carbohydrates is confusing, with seemingly contradictory arguments bouncing around the online health sphere. There are those who say high-carb diets cause stress, and that eating more fat and fewer carbs is the solution. There are those who say high-fat diets increase stress and eating carbs ameliorates it. Who’s right? They can’t both be...

We get lots of questions about how a ketogenic diet works in the context of exercise: Is it possible to maintain one’s fitness (strength, endurance, performance) and also drop one’s carb intake to ketogenic levels? Is it advisable? Will it help me lose weight faster? Mark already addressed some of these topics, but it’s clear that...