Meet Mark

Let me introduce myself. My name is Mark Sisson. I’m 63 years young. I live and work in Malibu, California. In a past life I was a professional marathoner and triathlete. Now my life goal is to help 100 million people get healthy. I started this blog in 2006 to empower people to take full responsibility for their own health and enjoyment of life by investigating, discussing, and critically rethinking everything we’ve assumed to be true about health and wellness...

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The Definitive Guide to Children’s Nutrition

July 19 2017 - Feeding infants is quite simple. There's a ton riding on you getting it right, of course—a developing immune system, the fact that the kid's growing an inch a week, a permeable blood-brain barrier,...

The Definitive Guide to Wine

October 11 2016 - For years, wine was my stress reliever at the end of a long day. Having given up grains and grain-based beverages over a decade ago, I swapped beer for wine. It was my frequent dinner companion. Grill...

The Definitive Guide to Fish Oils

June 04 2009 - I was actually a little surprised that we hadn’t already done a Definitive Guide to fish oil when a Worker Bee suggested it to me. We’ve mentioned it enough, and it’s a hot enough topic that I j...

The Definitive Guide to Traditional Food Preparation and Preservation

April 10 2012 - Before huge multinational corporations did it for us, humans had to figure out how to turn raw, unrefined formerly-living things into food that could be cooked or eaten. And before standup freezers, r...

A Definitive Guide To Tea

September 25 2018 - Today's guest post and recipe are offered up by Simon Cheng, founder & CEO of Pique - Tea Crystals. I connected with Simon and his team about a year ago and have been a fan of their tea products s...

The Definitive Guide to Play

June 24 2009 - I’ve mentioned the Primal concept of play quite a bit recently, and I figured I should clarify what I mean with a comprehensive post. But Mark! A Definitive Guide to something that is essentially...

The Definitive Guide to Sugar

May 05 2010 - You’d think this post would come with a blaring alarm, flashing strobe light or at least an ominous gong. Sugar, after all, gets little welcome around these parts. It’s on one hand a dastardly dev...

The Definitive Guide to Cholesterol

January 30 2008 - That makes it easy. With all the talk of fighting, battling, combating and beating cholesterol into submission, you'd think it had a black plastic body suit and James Earl Jones' voice. Big Pharma...

The Definitive Guide to Grains

June 18 2008 - Amber Waves of Pain Order up! Yes, folks, it?s definitive guide time again. I?ve read your requests and am happy (as always) to oblige. Grab your coffee (or tea), and pull up a seat. Glad you?re with...

The Definitive Guide to Napping

June 16 2015 - In most Western nations, napping is a sign of weakness. Those who do it — or, even worse, need it — are slothful wastes of resources who can’t hack it in the “real world.” They lack grit, de...

The Definitive Guide to Children’s Nutrition

July 19 2017 - Feeding infants is quite simple. There's a ton riding on you getting it right, of course—a developing immune system, the fact that the kid's growing an inch a week, a permeable blood-brain barrier,...

The Definitive Guide to Wine

October 11 2016 - For years, wine was my stress reliever at the end of a long day. Having given up grains and grain-based beverages over a decade ago, I swapped beer for wine. It was my frequent dinner companion. Grill...

The Definitive Guide to Fish Oils

June 04 2009 - I was actually a little surprised that we hadn’t already done a Definitive Guide to fish oil when a Worker Bee suggested it to me. We’ve mentioned it enough, and it’s a hot enough topic that I j...

The Definitive Guide to Traditional Food Preparation and Preservation

April 10 2012 - Before huge multinational corporations did it for us, humans had to figure out how to turn raw, unrefined formerly-living things into food that could be cooked or eaten. And before standup freezers, r...

A Definitive Guide To Tea

September 25 2018 - Today's guest post and recipe are offered up by Simon Cheng, founder & CEO of Pique - Tea Crystals. I connected with Simon and his team about a year ago and have been a fan of their tea products s...

The Definitive Guide to Sugar

May 05 2010 - You’d think this post would come with a blaring alarm, flashing strobe light or at least an ominous gong. Sugar, after all, gets little welcome around these parts. It’s on one hand a dastardly dev...

The Definitive Guide to Cholesterol

January 30 2008 - That makes it easy. With all the talk of fighting, battling, combating and beating cholesterol into submission, you'd think it had a black plastic body suit and James Earl Jones' voice. Big Pharma...

The Definitive Guide to Grains

June 18 2008 - Amber Waves of Pain Order up! Yes, folks, it?s definitive guide time again. I?ve read your requests and am happy (as always) to oblige. Grab your coffee (or tea), and pull up a seat. Glad you?re with...

The Definitive Guide to Conventional Wisdom

May 14 2009 - Every story needs a villain, and every protagonist needs an antagonist. Here at Mark’s Daily Apple, my regular nemesis is none other than Conventional Wisdom. But first, let me qualify that state...

The Definitive Guide to Fats

February 12 2008 - Whereas cholesterol usually gets the gold for most demonized nutritional substance, fats undoubtedly take the silver. We recently covered the cholesterol conundrum, and this week it's time to confront...

The Definitive Guide to Play

June 24 2009 - I’ve mentioned the Primal concept of play quite a bit recently, and I figured I should clarify what I mean with a comprehensive post. But Mark! A Definitive Guide to something that is essentially...

The Definitive Guide to Walking

June 08 2011 - At first glance, this title probably threw you off. I mean, a guide to walking? Are we moderns really that dysfunctional that we can't even walk correctly? C'mon, Sisson - you must be out of ideas. ...

The A-to-Z Guide to Leading a Primal Lifestyle

October 07 2015 - Print this out. Bookmark it. Send it to friends who don’t quite get the Primal thing. Consider this a valuable resource for all-things Primal. It’s a nice, alphabetical encapsulation of what it me...

The Definitive Guide to Low Level Aerobic Activity

July 02 2009 - Maybe you’ve found yourself feeling self-conscious on evening walks while five people pass you (perhaps twice) in their best running forms. Perhaps you spent the day at the lake canoeing or hiking a...

Definitive Guide To Sprinting, Part 1: Benefits of Sprinting

June 12 2019 - As Primal enthusiasts know, sprinting is an essential element to leading an optimally fit life. After all, it’s one of the 10 Primal Blueprint Laws, and perhaps the quintessential anti-aging activit...

Definitive Guide To Sprinting, Part 2: Creating a Sprinting Workout (+Video)

June 12 2019 - Now that you've absorbed the rationale and benefits to add sprinting to your fitness program with Part One of the Definitive Guide To Sprinting, let’s get into the details of how to conduct a great ...

Dear Mark: Muscle Building and Carbs

November 03 2008 - Dear Mark, I am a loyal Daily Apple reader who's just begun a full-scale primal + IF + HIIT lifestyle. My only worry is that of muscle loss or impeded muscle growth. As a friend of multiple muscle...

My Favorite Way To Play: Ultimate Frisbee Workout (with Video)

March 07 2019 - I'm a believer in working hard AND playing hard. When we get stuck in patterns of overwork and overstress, we lose the important connection with our creative, intuitive, playful selves. Our work suffe...

Dear Mark: Keto Reset Eating Plan, Better Weight Scales, PB Fitness Carb Requirements, and the Best Fish Sauce

July 31 2017 - For today's edition of Dear Mark, I'm answering/addressing four questions/comments. First, will my new Keto Reset book provide detailed meal plans or vague recommendations? Second, is there a better w...

The Importance of Pull-up Bar Training

April 11 2012 - This is a guest post from Al Kavadlo of AlKavadlo.com. If you’re like me, part of the appeal of Primal living is the simplicity of it all. Modern society has a funny way of making things more com...

The Definitive Guide to Overcoming Procrastination

March 10 2015 - Several years ago, I briefly discussed a few methods for overcoming procrastination, but they didn't take. The sea change I expected never came. People still procrastinated as much as they ever did, d...

The Definitive Guide to Stress, Cortisol, and the Adrenals: When ‘Fight or Flight’ Meets the Modern World

July 05 2007 - One of my goals with this weekly column is to make significant human health issues easy to understand and discuss. I was pleased that last week's piece, the Definitive Guide to Insulin, Blood Sugar &a...

Dear Mark: Common Stumbling Blocks

January 12 2009 - Dear Mark, As a newbie to MDA I'm interested in doing the Primal Challenge for the year. I'm sold on the idea of PB and understand how it should work. The problem is I've had one failure after ano...

How to Deal with Common Primal Stumbling Blocks

September 20 2011 - A 30-day Primal Blueprint Challenge wouldn't be complete without you facing some actual challenges. Yesterday, because we're all in this together, I asked you to share your struggles with everyone in ...

How to Conduct a Self Experiment: Resistant Starch

April 08 2014 - It's been well over a year since we last did a self experimentation post, and I think it's time for one on that current sensation: resistant starch. Whether you're an ardent low-carber, a carnivore, o...

Why These Nine Famous Thinkers Walked So Much

October 15 2014 - A couple weeks back, I wrote about how integral walking is to being human. And over the years I've written about the health benefits of walking, how and why you should walk barefoot, and even a defini...

Summer Reset: 30 Days, 30 Actions (Plus a 21-Day Staff Challenge AND Giveaway!)

May 31 2017 - At the onset of our annual 21-Day Challenge this past January, I offered up a post that proposed thinking small—"41 Primal Action Items and Individual Experiments for Success in 2017." The idea here...

Knowing Yourself: The Importance of Understanding Who You Are

March 08 2012 - Last week’s retreat post inspired a lot of people to share something about the escapes they enjoy but also something about why. The post’s focus on solitary retreats, in particular, seemed to stee...

The 1-2-3-4 Formula for Unleashing Your Inner Grok

May 28 2010 - This is a guest post from Matt Garland of Healthy Lifestyle Design. Do you have what it takes to unleash your inner Grok? Everyone does. It's inherent in our biology. And yet many don't, not b...

In the Pursuit of Health, Should You Aim for Progress or Perfection?

December 05 2013 - A couple weeks ago I did a “Midweek Kick in the Pants” post directed at those who read Mark's Daily Apple regularly but were still on the relative sidelines in terms of making the leap to Primal l...

The Definitive Guide to Children’s Nutrition

July 19 2017 - Feeding infants is quite simple. There's a ton riding on you getting it right, of course—a developing immune system, the fact that the kid's growing an inch a week, a permeable blood-brain barrier,...

The Definitive Guide to Play

June 24 2009 - I’ve mentioned the Primal concept of play quite a bit recently, and I figured I should clarify what I mean with a comprehensive post. But Mark! A Definitive Guide to something that is essentially...

The Definitive Guide to Napping

June 16 2015 - In most Western nations, napping is a sign of weakness. Those who do it — or, even worse, need it — are slothful wastes of resources who can’t hack it in the “real world.” They lack grit, de...

The Definitive Guide to Walking

June 08 2011 - At first glance, this title probably threw you off. I mean, a guide to walking? Are we moderns really that dysfunctional that we can't even walk correctly? C'mon, Sisson - you must be out of ideas. ...

The Definitive Guide to Sleep

March 24 2010 - Sleep Awareness Week (as sponsored by the National Sleep Foundation) technically ended March 13th, but somehow I’m guessing there are just as many sleep deprived folks milling about this week as the...

Definitive Guide: The Primal Blueprint

June 04 2008 - Build the Healthiest Possible Body with the Primal Blueprint I get emails every day from people who are changing their lives for the better by following the guidelines I outline on this site. But m...

The Definitive Guide to Feeding Primal Babies

May 26 2009 - It’s commonly portrayed as the realm of infant formula, rice cereal, applesauce, teething biscuits, Zwieback toast and Cheerios. And in the following months a large pantry selection of strained this...

The A-to-Z Guide to Leading a Primal Lifestyle

October 07 2015 - Print this out. Bookmark it. Send it to friends who don’t quite get the Primal thing. Consider this a valuable resource for all-things Primal. It’s a nice, alphabetical encapsulation of what it me...

The (Maybe Not So) Definitive Guide to Cold Therapy

May 02 2018 - Cold is really catching these days. Aubrey Marcus, whom I recently filmed a nice podcast with, was asked about his winning daily behaviors on another show. The very first thing he mentioned was "expos...

The Definitive Guide to Stress, Cortisol, and the Adrenals: When ‘Fight or Flight’ Meets the Modern World

July 05 2007 - One of my goals with this weekly column is to make significant human health issues easy to understand and discuss. I was pleased that last week's piece, the Definitive Guide to Insulin, Blood Sugar &a...

Thick & Creamy Labneh

June 27 2015 - Labneh is a type of Middle Eastern “cheese” made from strained yogurt. Thick and creamy with a mild, tangy flavor, labneh is typically served as a spread or dip. Although labneh can be found in ma...

Fish Tartare: A Recipe from Good Fat, Bad Fat

May 21 2016 - In honor of Primal Blueprint Publishing’s newest release, Good Fat, Bad Fat by Romy Dollé, we thought we’d share another recipe from this healthy fat resource. If you missed the Rösti with Fried...

Organ Meat Recipes

March 20 2009 - Yesterday, we walked you through the basics of organ meats. We thought we’d follow that up by giving you the opportunity to put this new knowledge to work with some traditional recipes that include ...

How to Make Your Own Jerky

July 31 2008 - In the modern world it’s hard to get more “primal” than dried meat. Consider it one of Grok’s many talents and culinary achievements. Jerky is essentially strips of lean meat that have marinat...

Chia Flax Hot Pudding

July 25 2015 - This is a guest post by Kelly LeVeque. Kelly is a certified holistic nutritionist, wellness expert and celebrity health coach based in Los Angeles, California. Be Well grew out of Kelly's lifelong pas...

Roasted Eggplant Stuffed with Lamb

May 28 2016 - An edible serving dish made of roasted eggplant halves stuffed with cinnamon and paprika scented lamb. How does that sound for dinner tonight? The eggplant is roasted until the texture is creamy enoug...

A Beginner’s Guide: How to Culture Vegetables

March 01 2014 - Culturing raw vegetables can be a little intimidating. The process really is quite simple, but it seems like a lot to keep track of. What type of vegetables do you use? What do you culture with - salt...

Bangin’ Liver

May 02 2015 - This is a guest post from Mary Shenouda, Paleo Chef and Lifestyle Coach. Mary, here! You may know me as Mary, The Paleo Chef. Or perhaps you know me as the #EatPlayCrush Girl on Instagram. Or maybe...

Meat Lover’s Guide to Marinating Meat (plus 10 Primal Marinades)

October 13 2009 - A Primal commitment to regular consumption of pastured, organic (expensive/hard-to-find) meats often means buying in bulk when a good price presents itself. Grass-fed steak runs rather pricey, so the ...

Creamy Cucumber Noodle Salad with Cherry Tomatoes (Plus Bonus Shopping Guide!)

July 04 2015 - This is a guest post from Diana Rodgers, the author of Paleo Lunches and Breakfasts on the Go, and The Homegrown Paleo Cookbook: Over 100 Delicious, Gluten-Free, Farm-to-Table Recipes, and a Complete ...

Crohn’s Conquered!

June 12 2015 -

It Felt Like a Rebirth Into Living

September 07 2018 - It's Friday, everyone! And that means another Primal Blueprint Real Life Story from a Mark's Daily Apple reader. If you have your own success story and would like to share it with me and the Mark's Da...

I Feel Alive for the First Time in Years!

February 15 2013 - It’s Friday, everyone! And that means another Primal Blueprint Real Life Story from a Mark's Daily Apple reader. If you have your own success story and would like to share it with me and the Mark’...

Performance Up! Inflammation Down!: Professional Baseball Pitcher Goes Primal and Sees Immediate Results

February 21 2014 - It’s Friday, everyone! And that means another Primal Blueprint Real Life Story from a Mark's Daily Apple reader. If you have your own success story and would like to share it with me and the Mark’...

Complete Turnaround After Only Two Months

May 16 2014 - It’s Friday, everyone! And that means another Primal Blueprint Real Life Story from a Mark's Daily Apple reader. If you have your own success story and would like to share it with me and the Mark’...

Meet Cliff, Jerry, Vicki, Josh and Jeannie

May 31 2010 - Grandmothers, teenagers, men, women, people of all fitness levels (from athletes to lifelong couch potatoes now turned modern day Groks); people all over the world are going Primal and taking control ...

Everything Has Changed 180 Degrees: A Daughter’s Telling of Her Father’s Primal Journey

November 08 2013 - It’s Friday, everyone! And that means another Primal Blueprint Real Life Story from a Mark's Daily Apple reader. If you have your own success story and would like to share it with me and the Mark’...

The Definitive Guide to Metabolic Flexibility

September 12 2018 - Metabolic flexibility is the capacity to match fuel oxidation to fuel availability—or switch between burning carbs and burning fat. Someone with great metabolic flexibility can burn carbs when they ...

The Not So Definitive Guide to Diet Soda

January 26 2011 - Before I begin, I want to make something clear: this is not your standard definitive guide to whatever. I'd like to be able to issue a proclamation regarding diet soda that stands the test of time imm...

The Primal Blueprint Definitive Guide to Troubleshooting Weight Loss

October 06 2015 - I get a lot of emails about weight loss plateaus. I've covered them in Dear Mark after Dear Mark. I've personally written countless emails to readers about beating a stall. Friends, colleagues, and pe...

The Definitive Guide to Insulin, Blood Sugar & Type 2 Diabetes (and you’ll understand it)

June 27 2007 - BITE ME, ADA We all know by now that type 2 diabetes is an epidemic. We’re seeing words like crisis and runaway all over the news and in the journals. Heart disease rates have been cut in half si...

Today, We Shoot Down Excuses

April 10 2009 - When it comes to eating and exercising, people are quick to produce an excuse – any excuse – explaining why they can’t do it. Coming up with excuses may be pretty easy, but I find shooting them ...

The Primal Blueprint Carbohydrate Curve

January 14 2009 - Yesterday, low-carb blogger Dr. Michael Eades (he of Protein Power) posted a message from his friend and fellow low-carb guru Richard Feinman as sort of a call-to-action in public policy-making for up...

Dear Mark: Glycogen

October 20 2008 - Dear Mark, I'm trying to understand how glucose that's created by proteins and fats is used and stored. Is that ~200g of glycogen stored in the muscles to be used for exercise, or is it stored in ...

Reader Response: Insulin Index

June 26 2008 - Reader Pete asked for some thoughts on the “Insulin Index,” a measurement chart similar to the glycemic index. While the glycemic index calculates the relative blood sugar rise induced by given fo...

Lap Bands and Type 2 Diabetes

January 23 2008 - While caution is required in interpreting the longer-term benefits of surgery and weight loss, this study presents strong evidence to support the early consideration of surgically induced loss of weig...

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