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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Dear Mark: Raw Mushrooms, Tom Brady’s Diet, and Beta-Glucan Alternatives

April 03, 2017 - For today's edition of Dear Mark, I'm answering three questions. First, are raw mushrooms safe to eat? Are there toxins? Are there any other issues to consider? Second, what's the deal with Tom Brady'...

Weekend Link Love – Edition 464

August 13, 2017 - RESEARCH OF THE WEEK More than 1 in 8 Americans are alcoholics. Transcranial magnetic stimulation can reduce meth cravings. The conventional wisdom about back pain is being upended. Plants l...

Weekend Link Love – Edition 463

August 06, 2017 - RESEARCH OF THE WEEK Reducing sugar intake may be the key to reducing health care costs. In a mouse model of Alzheimer's, capsaicin (spicy component of hot peppers) improves cognitive function and...

Stop Obsessing Over the Numbers

July 26, 2017 - My friend, former co-competitor, business partner, and writing buddy Brad Kearns had been on a "Quantified Self" kick, tracking biomarkers, testing blood sugar and ketone levels, and staying abreast o...

Introducing the Primal Endurance Mastery Course!

June 27, 2017 - I’m thrilled to introduce the launch of an exciting new direction for our educational and publishing ambitions here at Primal Blueprint: The Primal Endurance comprehensive online multimedia educatio...

How to Move through Life with an Edge

March 01, 2017 - Every former competitive athlete's worst nightmare is that moment when you lose to a younger person doing the sport you love. When the cocoon of invincibility and superiority you've erected around you...

Weekend Link Love – Edition 439

February 12, 2017 - RESEARCH OF THE WEEK This bacteria links arthritis to Crohn's disease. Tobacco use may not be healthy, but some methods of consumption are far worse than others. Male-type brains linked to high...

Weekend Link Love – Edition 437

January 29, 2017 - RESEARCH OF THE WEEK 300 cups of coffee is excessive. More dietary protein, less breast cancer recurrence. Banking extra sleep before sleep deprivation improves physical performance. As agri...

Contest Poll: 2017 Primal Blueprint Recipe Videos

January 26, 2017 - A couple weeks back I asked you to film and share your favorite Primal Blueprint recipes for a chance to win $1500 in gift certificates to U.S. Wellness Meats. This particular contest has always been ...

Weekend Link Love – Edition 436

January 22, 2017 - RESEARCH OF THE WEEK True psychopaths aren't all that bright. The evolution of short sleep duration in humans may have left us vulnerable to Alzheimer's. The link between the gut and hypertensi...

Dear Mark: Raw Mushrooms, Tom Brady’s Diet, and Beta-Glucan Alternatives

April 03, 2017 - For today's edition of Dear Mark, I'm answering three questions. First, are raw mushrooms safe to eat? Are there toxins? Are there any other issues to consider? Second, what's the deal with Tom Brady'...

Do You Know How to Properly Hydrate?

December 15, 2015 - Hydration. It seems like it should be so easy: drink some water, go about your day, the end. If only it was that simple. In fact, there are many (often contradictory) opinions out there about what we ...

Can Getting Your DNA Tested Help You Optimize Your Diet and Training?

February 24, 2015 - Last month, I received an unexpected email request from a man named Craig Pickering: “Send me your saliva.” Craig works for DNAFit, a genetic testing company using customers’ DNA results to o...

Dear Mark: Ornish on Paleo, CrossFit Workout Recovery, Nightshades, and Dry Heels

February 09, 2015 - For today's edition of Dear Mark, we've got a four-parter. First, Dean Ornish rears his head once again, this time making the claim that even paleo eaters with stellar lipid numbers invariably have cl...

Alcohol: The Good and the Bad

November 20, 2012 - What do we make of alcohol? In sufficient amounts, it's a poison. It's incredibly addictive. It destroys entire communities. It tears families apart and compels otherwise reasonable, upstanding indivi...

Dear Mark: Too Much Coconut Milk, Donating Blood, De Novo Lipogenesis, and Distilled Water

July 16, 2012 - The milk of the coconut enjoys an exalted position among in our community. We prize its ketone-generating prowess. We marvel at how it laughs off bile salts with nary a care and goes straight to diges...

Dear Mark: Do Perfect Foods Exist?

March 05, 2012 - Today's Dear Mark post touches on a concept that many of us have pondered: the perfect food. That is, does such a thing even exist? What with phytates, lectins, easily-absorbed fat-soluble vitamins, a...

What is Inflammation?

January 05, 2012 - Inflammation is one of those words that people use without really thinking about its actual meaning. So today we're going to take a bit of a break from the blood lipid series to cover inflammation. In...

Dear Mark: Coconut, Plantar Fasciitis, Drinking Seawater, and Feeding a Teenage Appetite

August 29, 2011 - It's Monday, which means it's time for another round of "Dear Mark" questions. Now that I'm no longer doing Workouts of the Week, maybe I'll have time to get to more questions than before. For now, I'...

In With the New

September 09, 2010 - So you've committed to Avoiding Poisonous Things for 30 days. You read the articles from yesterday's post, cleaned out your pantry and fridge and are ready to get Primal. Now what? After Out With the ...

Introducing the Primal Endurance Mastery Course!

June 27, 2017 - I’m thrilled to introduce the launch of an exciting new direction for our educational and publishing ambitions here at Primal Blueprint: The Primal Endurance comprehensive online multimedia educatio...

How to Move through Life with an Edge

March 01, 2017 - Every former competitive athlete's worst nightmare is that moment when you lose to a younger person doing the sport you love. When the cocoon of invincibility and superiority you've erected around you...

Can Endurance Training Ever Really Be Primal?

October 18, 2016 - For over a dozen years, I've railed against what I call "chronic cardio"—the excessive, unrelenting endurance training I did for the better part of three decades. Most of my health issues cleared up...

7 Habits of Highly Successful Primal Endurance Athletes

August 10, 2016 - Things have been busy for the Primal Endurance movement since I released the book back in December. People have been eager to learn more about this novel form of training, so we've been answering a...

Take It Easy, Increase Progress: How to Make Your Training More Primal

July 26, 2016 - I recently had the pleasure of interviewing my friend and business and training partner Brad Kearns for the upcoming Primal Endurance Online digital course (more about that later). It was more of a ...

Dear Mark: Muscle Cramps and Parasympathetic Overtraining

July 25, 2016 - For today's edition of Dear Mark, I'm answering two questions from readers. First one comes from Debbie, a prolific hiker and backpacker who can't seem to shake terrible thigh muscle cramps during ste...

Interview with Simon Whitfield: Olympic Gold Medalist

January 27, 2016 - As many of you know, I have a long history as a former elite endurance athlete. Back in the day, I achieved a 2:18 marathon and landed 4th place in the Hawaii Ironman. That was all well and good, bu...

Do You Know How to Properly Hydrate?

December 15, 2015 - Hydration. It seems like it should be so easy: drink some water, go about your day, the end. If only it was that simple. In fact, there are many (often contradictory) opinions out there about what we ...

Introducing PrimalBeat HRV

August 13, 2015 - Regular Mark's Daily Apple readers know of my enthusiasm for the cutting edge biofeedback technology known as heart rate variability (HRV). There is a detailed introductory post here, and a follow up...

Can Getting Your DNA Tested Help You Optimize Your Diet and Training?

February 24, 2015 - Last month, I received an unexpected email request from a man named Craig Pickering: “Send me your saliva.” Craig works for DNAFit, a genetic testing company using customers’ DNA results to o...

Stop Obsessing Over the Numbers

July 26, 2017 - My friend, former co-competitor, business partner, and writing buddy Brad Kearns had been on a "Quantified Self" kick, tracking biomarkers, testing blood sugar and ketone levels, and staying abreast o...

How to Move through Life with an Edge

March 01, 2017 - Every former competitive athlete's worst nightmare is that moment when you lose to a younger person doing the sport you love. When the cocoon of invincibility and superiority you've erected around you...

What Will 2017 Mean for Your Life?

January 03, 2017 - It's 2017. There are old sci-fi stories set in 2017. Do Androids Dream of Electric Sheep?, the basis for Blade Runner, takes place in 2019. That's just two years away. It'll come faster than you th...

Why Fast? Part Six – Choosing a Method

April 17, 2012 - Assuming you've been keeping up with the series, you should be saying to yourself "Hey, maybe this fasting thing would be a cool thing to try out, and it might even make me healthier/live longer/lean ...

How to Move through Life with an Edge

March 01, 2017 - Every former competitive athlete's worst nightmare is that moment when you lose to a younger person doing the sport you love. When the cocoon of invincibility and superiority you've erected around you...

What is Inflammation?

January 05, 2012 - Inflammation is one of those words that people use without really thinking about its actual meaning. So today we're going to take a bit of a break from the blood lipid series to cover inflammation. In...

Dear Mark: Coconut, Plantar Fasciitis, Drinking Seawater, and Feeding a Teenage Appetite

August 29, 2011 - It's Monday, which means it's time for another round of "Dear Mark" questions. Now that I'm no longer doing Workouts of the Week, maybe I'll have time to get to more questions than before. For now, I'...

The Human-Animal Connection

April 06, 2011 - I imagine most of us have (or have had) animals in our lives - pets at home, livestock on the farm, and so forth. For me, it’s a yellow lab named Buddha. True to his title, he has some calm, compose...

The Importance of Play, Long Walks and Outdoor Workouts, or Why the Optional Stuff Isn’t Actually Optional

February 14, 2011 - Before I get to today's Monday Musings I wanted to give a shout out and big thanks to everyone that came out the inaugural PAST in Southern California this weekend. It was wonderful meeting each of yo...

Barefoot Ted Speaking at PrimalCon 2010

April 02, 2010 - Over the last few weeks I’ve had the pleasure to announce three PrimalCon 2010 speakers: Maya White (How to Sit, Stand and Walk Like Grok), Brad Kearns (How to Apply the Primal Blueprint Principles ...

Sustainable Lifestyles: Green Living and Health

March 26, 2010 - Over the last couple weeks I've had the pleasure to announce two PrimalCon speakers: Maya White and Brad Kearns. As you may recall, Maya will be teaching PrimalCon participants how to sit, stand and w...

To Circumcise or Not To Circumcise?

January 12, 2010 - Once a proverbial given in this and a number of other countries, circumcision has become a hot button issue, intensely debated in both family and medical circles. For decades it was standard procedure...

Getting Back to Nature

August 28, 2008 - As Primal enthusiasts, we owe it to ourselves to spend time in the great outdoors – early man’s original stomping grounds. Sadly enough, the increasing encroachment of civilization upon nature’s...

Make it a Primal Thanksgiving!

November 24, 2008 - Given it’s Thanksgiving week, we thought we’d devote Monday to the big menu. (Check back tomorrow for this week’s Dear Mark!) Yup, we’re taking on the mother of all carb-laden holidays, and we...

Smart Fuel: Coconut

October 31, 2008 - In the Phillipines, it’s called the “Tree of Life.” Malays refer to it as pokok seribu guna, “the tree of a thousand uses." Yes, today’s edition of Smart Fuel is all about the coconut. I’m...

Getting the Six-Pack Back!

January 06, 2017 - 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 Mar...

This Lifestyle Taught Me That Life Can Be So Much Better!

December 02, 2016 - 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 Mar...

Health Coaches Find Success with the Primal Blueprint Certification Program

December 12, 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 Mar...

Over 100 Pounds Lost: Things Just Keep Getting Better and Better

August 29, 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 Mar...

My Transformation Was Bigger Than Me

September 20, 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 Mar...

Where Are They Now? – Round 2

April 16, 2010 - What is in a story about personal health and wellness? We all have them; every one of us. Yours might be about your relationship with food, or about your body image, or about weight loss, or about ove...

Done with Yo-Yo Dieting

August 30, 2009 - I'm 33 and haven't felt better in my whole life since converting to the primal lifestyle. I've been living pretty primal for the past 4 months now... prior to that I was still maintaining a healthy li...

The Look on the Doctor’s Face Was Priceless

August 28, 2009 - My journey started with a diagnosis of Diabetes (type II) on November 17th, 2008. I had some blood work done and the #'s looked like this: cholesterol  377 trigs 1864 (not a typo) hdl 28 ldl ...

Cardio Queen Gone Primal

August 27, 2009 - I was always a little on the heavy side, ever since I had my tonsils and adenoids taken out in kindergarten. I would say 3rd grade was the last time I really felt “normal.” After that it was all d...

Regaining Control: Michelle’s Primal Journey

August 25, 2009 - My weight struggle began when I turned 21. I got really stressed out at my job, and in turn I became depressed and very anxious to the point that my Doctor put me off work. That was the beginning of m...

Why Fast? Part Six – Choosing a Method

April 17, 2012 - Assuming you've been keeping up with the series, you should be saying to yourself "Hey, maybe this fasting thing would be a cool thing to try out, and it might even make me healthier/live longer/lean ...

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