Mark Sisson

About the Author

Mark Sisson is the founder of Mark’s Daily Apple, godfather to the Primal food and lifestyle movement, and the New York Times bestselling author of The Keto Reset Diet. His latest book is Keto for Life, where he discusses how he combines the keto diet with a Primal lifestyle for optimal health and longevity. Mark is the author of numerous other books as well, including The Primal Blueprint, which was credited with turbocharging the growth of the primal/paleo movement back in 2009. After spending three decades researching and educating folks on why food is the key component to achieving and maintaining optimal wellness, Mark launched Primal Kitchen, a real-food company that creates Primal/paleo, keto, and Whole30-friendly kitchen staples.

is it safe to go to the gym

Dear Mark: My Gym is Open, Is It Safe to Go?

Across much of the world, movement restrictions are lifting, businesses are reopening, and gyms are coming back. While the next few weeks may paint a different picture, and cases are going up in many areas, many places now are seeing better overall trajectories. Deaths are down, which could be a lagging indicator and thus subject to a potential skyrocket. But for now, for better or…

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ghrelin leptin hunger satiety hormones

Hunger and Satiety Hormones

Today we’re taking a peek under the hood and looking at some of the hormones involved in hunger and satiety, a.k.a. appetite hormones. You might think of hunger as a gnawing feeling in your stomach and satiety as that feeling of fullness when you’ve eaten enough… or maybe too much. That’s how we experience the feelings we call hunger and satiety, true; but I’m talking…

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Weekly Link Love—Edition 88

Research of the Week Physical frailty predicts COVID-19 outcomes. If you're lifting, getting 1.62 grams of protein per kilogram of bodyweight is a nice target. After new analysis, Ireland reduces its "excess deaths from coronavirus" numbers. Still 13% higher than normal, but lower than previous estimations. Evidence for coronavirus presence in Brazil as early as November 2019.

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Epigenetics

Epigenetics, or What I Mean by “Reprogram Your Genes”

You can't change your genes. But you can program them. The modern world presents a number of problems for our genes. The world we've constructed over the last 50 years is not the environment in which our genetic code evolved. Our genes don't "expect" historically low magnesium levels in soil, spending all day indoors and all night staring into bright blue lights, earning your keep…

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how to measure ketones

Measuring Ketones: What, When, Why, and How

Keto is unique compared to other diets because there is an objective marker that tells you if you’re on the right track. With an easy at-home test, you can confirm that you are, in fact, in a state of ketosis. Regular readers probably know I’m not a big data tracker. My energy, sleep, workout performance, stamina, and enjoyment of life tell me almost everything I…

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gluten intolerance sensitivity

Dear Mark: Gluten Sensitivity, Intolerance, Celiac Disease, and Grains

  Dear Mark, You talk a lot about the evils of grains. I follow your logic on why a grain free diet is best, and I have seen weight loss and just feel better overall since heeding your advice. But there is one thing (well, more than one) that I don't understand but hear about often. Could you explain what gluten intolerance is and why…

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