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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Joint Mobility: Reader Question Roundup

May 27, 2010 - I got a ton of feedback from my series on joint mobility. As comprehensive as I tried to be in my joint mobility series, I couldn’t possibly address every single malady a person might have. In the c...

Filling in the Gaps: How to Incorporate Joint Mobility Drills

May 26, 2010 - By now, I hope the importance of joint mobility is clear, and the benefits myriad. It isn't the sexiest topic around to be sure. "The Importance of Shoulder Mobility" certainly isn't as attention-grab...

Dear Mark: Grains and Joints, Cardamom, and The Cause of Aging Muscle

June 23, 2014 - For today's Dear Mark, we've got a three-parter. First: a question about grains and joint health from a reader who gets achy and creaky every time she veers off schedule and eats grains. Is this commo...

Dear Mark: Grok’s Mobility, Too Much Walking, Fertile Eggs, and the Best Shoes for Babies

November 04, 2013 - Hey folks, it's time for another edition of Dear Mark. This time around we've got a four-parter. First up, I discuss why Grok probably didn't need to foam roll with boulders or consult with a proto-K...

Dear Mark: Flexibility vs. Mobility, Orange Skin, and Radioactive Matcha

February 06, 2012 - I'm going to keep today's question and answer session rather brief. I'll be covering three topics: flexibility and mobility; carotenoderma, or the orange-ing of the skin following ingestion of caroten...

Dear Mark: Pregnant Exercise, Low-Carb and Alcohol Tolerance, Ancestral Sun Dosages, and Knee Mobility

December 12, 2011 - Today is Monday, which heralds another edition of Dear Mark. This week, I'm giving my two cents on what could be causing the widespread incidence of lowered alcohol tolerance in Primal eaters. It's ni...

How to Maintain Shoulder Mobility and Scapular Stability

May 21, 2010 - More than perhaps any other joint in our bodies, the shoulders demand close and careful attention. We use them on a daily basis and they travel a wide-ranging path; it’s in our best interest to assu...

The Importance of Shoulder Mobility and Scapular Stability

May 20, 2010 - If you've been following my series on joint mobility you'll know that I've already covered how to improve and maintain joint mobility for the hips, thoracic spine, and ankles and wrists. Today and tom...

How to Improve Wrist and Ankle Mobility

May 14, 2010 - Most people have enough wrist and ankle mobility to get around life all aright, but most people think they're doing just fine with grains, sweets, and seed oils comprising the bulk of their diets. We ...

The Importance of Wrist and Ankle Mobility

May 13, 2010 - How mobile are your wrists and ankles? They’re the primary hinges for our two major sets of extremities – hands and feet – and yet they often go neglected. They’re two of the most common sites...

Dear Mark: Grains and Joints, Cardamom, and The Cause of Aging Muscle

June 23, 2014 - For today's Dear Mark, we've got a three-parter. First: a question about grains and joint health from a reader who gets achy and creaky every time she veers off schedule and eats grains. Is this commo...

Dear Mark: Flexibility vs. Mobility, Orange Skin, and Radioactive Matcha

February 06, 2012 - I'm going to keep today's question and answer session rather brief. I'll be covering three topics: flexibility and mobility; carotenoderma, or the orange-ing of the skin following ingestion of caroten...

Dear Mark: Pregnant Exercise, Low-Carb and Alcohol Tolerance, Ancestral Sun Dosages, and Knee Mobility

December 12, 2011 - Today is Monday, which heralds another edition of Dear Mark. This week, I'm giving my two cents on what could be causing the widespread incidence of lowered alcohol tolerance in Primal eaters. It's ni...

7 Old Wives’ Tales That Aren’t Utter Nonsense

June 03, 2015 - "Oh, that's just an old wives' tale" is an easy way to disarm and disregard someone else's claims about health. But it's also lazy and, sometimes, just plain misleading. So what if a particular claim ...

Dear Mark: Bone Broth Nutrients and Alternatives to Agriculture

March 17, 2014 - Today's edition of Dear Mark is a two-parter. First, I dig a bit deeper into the nutrients found in bone broth. A reader's come across some startling nutritional data that seems to call into question ...

Dear Mark: Cold Weather Carb Cravings, Muscle Loss in the Military, and Pain During Exercise

November 25, 2013 - For today's edition of Dear Mark, we've got a two-parter. First, I cover why our desire for carbohydrates might increase in cold weather (hint: it's probably all the shivering our muscles do in an att...

Dear Mark: Bodyweight or Barbells, Restaurant Traps, Primal Egg Coffee Stability, and Post-Exercise Insomnia

October 14, 2013 - Today's Dear Mark is a four-parter with some fantastic questions (and passable answers, I hope!). First up, I answer a reader question from the comment section of last week's Barbell Dogma post. Secon...

Dear Mark: Your 21-Day Challenge Questions Answered

September 23, 2013 - The 21-Day Challenge is simple in theory, but not always easy, especially if you are brand new to the Primal Blueprint and trying to change decades of bad habits and unhealthy lifestyle behaviors. Wi...

How to Fuel Ultra-Distances: The World’s Toughest Mudder

June 14, 2012 - A couple weeks ago, I received an enthusiastic email from a group of Aussies. They were planning on competing in the World's Toughest Mudder (WTM), a perversely-warped, extreme version of the regular ...

Is It Primal? – Sprouts, Agave Nectar, Tapioca and Other Foods Scrutinized

May 23, 2012 - Since it seems to be popular with this crowd, and we're never running out of questionable foods, I figured I'd take the time to put together another round of "Is It Primal?" I got most of these choice...

Joint Mobility: Reader Question Roundup

May 27, 2010 - I got a ton of feedback from my series on joint mobility. As comprehensive as I tried to be in my joint mobility series, I couldn’t possibly address every single malady a person might have. In the c...

Filling in the Gaps: How to Incorporate Joint Mobility Drills

May 26, 2010 - By now, I hope the importance of joint mobility is clear, and the benefits myriad. It isn't the sexiest topic around to be sure. "The Importance of Shoulder Mobility" certainly isn't as attention-grab...

Dear Mark: Grains and Joints, Cardamom, and The Cause of Aging Muscle

June 23, 2014 - For today's Dear Mark, we've got a three-parter. First: a question about grains and joint health from a reader who gets achy and creaky every time she veers off schedule and eats grains. Is this commo...

Dear Mark: Grok’s Mobility, Too Much Walking, Fertile Eggs, and the Best Shoes for Babies

November 04, 2013 - Hey folks, it's time for another edition of Dear Mark. This time around we've got a four-parter. First up, I discuss why Grok probably didn't need to foam roll with boulders or consult with a proto-K...

Dear Mark: Flexibility vs. Mobility, Orange Skin, and Radioactive Matcha

February 06, 2012 - I'm going to keep today's question and answer session rather brief. I'll be covering three topics: flexibility and mobility; carotenoderma, or the orange-ing of the skin following ingestion of caroten...

Dear Mark: Pregnant Exercise, Low-Carb and Alcohol Tolerance, Ancestral Sun Dosages, and Knee Mobility

December 12, 2011 - Today is Monday, which heralds another edition of Dear Mark. This week, I'm giving my two cents on what could be causing the widespread incidence of lowered alcohol tolerance in Primal eaters. It's ni...

How to Maintain Shoulder Mobility and Scapular Stability

May 21, 2010 - More than perhaps any other joint in our bodies, the shoulders demand close and careful attention. We use them on a daily basis and they travel a wide-ranging path; it’s in our best interest to assu...

The Importance of Shoulder Mobility and Scapular Stability

May 20, 2010 - If you've been following my series on joint mobility you'll know that I've already covered how to improve and maintain joint mobility for the hips, thoracic spine, and ankles and wrists. Today and tom...

How to Improve Wrist and Ankle Mobility

May 14, 2010 - Most people have enough wrist and ankle mobility to get around life all aright, but most people think they're doing just fine with grains, sweets, and seed oils comprising the bulk of their diets. We ...

The Importance of Wrist and Ankle Mobility

May 13, 2010 - How mobile are your wrists and ankles? They’re the primary hinges for our two major sets of extremities – hands and feet – and yet they often go neglected. They’re two of the most common sites...

Rajio Taiso: Why You Should Start Doing Light Morning Workouts

September 09, 2014 - In the early 1920s, MetLife Insurance sponsored daily 15 minute calisthenics programs to be broadcast over the radio to American audiences in an effort to make them healthier and fitter. It didn't ca...

It’s Not Just About the Weight Loss

September 12, 2013 - A whole lot of people come to the Primal Blueprint looking to lose weight. Some come with significant excess weight. Their before and after photos showcase amazing physical transformations that can ha...

8 Ways You Might Be Inadvertently Sabotaging Your Fitness Routine

November 07, 2012 - Last week, I went over a few ways Primal Blueprinters experiencing a weight loss plateau (or fast approaching one) might be inadvertently sabotaging their own weight loss efforts. This week, I thought...

Why You Should Work Outside

June 07, 2012 - We've discussed the "nature-deficit disorder" running rampant throughout contemporary society before. Kids are more likely to control characters in video games who explore vast outdoor worlds (and com...

How to Squat Properly

October 01, 2009 - Judging from the reader response to last week’s post on that certain type of squatting, I’d bet that a number of you guys gave it a shot and left footprints on the toilet bowl. C’mon, don’t be...

16 Tips for Desk Jockeys: What to Do About Sitting All Day

March 29, 2011 - Even if your workdays consist of alternating between hunkering down over the laptop in a full Grok squat with perfectly neutral lumbar spine and standing up at a standing workstation for the entire wo...

Dear Mark: Grok’s Mobility, Too Much Walking, Fertile Eggs, and the Best Shoes for Babies

November 04, 2013 - Hey folks, it's time for another edition of Dear Mark. This time around we've got a four-parter. First up, I discuss why Grok probably didn't need to foam roll with boulders or consult with a proto-K...

Dear Mark: Pregnant Exercise, Low-Carb and Alcohol Tolerance, Ancestral Sun Dosages, and Knee Mobility

December 12, 2011 - Today is Monday, which heralds another edition of Dear Mark. This week, I'm giving my two cents on what could be causing the widespread incidence of lowered alcohol tolerance in Primal eaters. It's ni...

5 Reasons to Run Outside Instead of on a Treadmill

June 10, 2015 - Let me get this out of the way: treadmill running is better than sitting on the couch reading blogs that outline the reasons running outside is better than running on a treadmill. If it's your only op...

Telecommuting: How and Why to Do It

September 02, 2014 - Our jobs define us, for better or worse. When we're out at a party and someone asks "What do you do?" we don't talk about our love of Eastern European history or our kite-flying or the workout regimen...

Dear Mark: Bodyweight or Barbells, Restaurant Traps, Primal Egg Coffee Stability, and Post-Exercise Insomnia

October 14, 2013 - Today's Dear Mark is a four-parter with some fantastic questions (and passable answers, I hope!). First up, I answer a reader question from the comment section of last week's Barbell Dogma post. Secon...

Dear Mark: Your 21-Day Challenge Questions Answered

September 23, 2013 - The 21-Day Challenge is simple in theory, but not always easy, especially if you are brand new to the Primal Blueprint and trying to change decades of bad habits and unhealthy lifestyle behaviors. Wi...

How I Recover from My Workouts

August 28, 2013 - When thinking about ways to improve your workout recovery, you might start by going back to this post I wrote a couple weeks ago and then doing the opposite of the recovery-impairing items on that lis...

Slacklining – My New Obsession

August 21, 2013 - Because I know how even a moderately busy day can make actually watching a video an impossible dream, I'm going to summarize the main points for you guys. I'm always trying to have more fun, as...

15 Tips for Standup Workstation Users

May 07, 2013 - A lot of people who embrace the standup workstation thing think the work stops once you stand up. Sitting is hard, standing is easy - right? I don't blame them, because I was the same way when I bega...

Wearing a Baby: What To Do and What Not To Do

February 05, 2013 - Last week, I made the case for wearing and carrying your babies, highlighting the considerable evidence of benefit of the practice. Today, I'm going to discuss what to look for when you carry a baby. ...

Dear Mark: Pregnant Exercise, Low-Carb and Alcohol Tolerance, Ancestral Sun Dosages, and Knee Mobility

December 12, 2011 - Today is Monday, which heralds another edition of Dear Mark. This week, I'm giving my two cents on what could be causing the widespread incidence of lowered alcohol tolerance in Primal eaters. It's ni...

Dear Mark: Cold Weather Carb Cravings, Muscle Loss in the Military, and Pain During Exercise

November 25, 2013 - For today's edition of Dear Mark, we've got a two-parter. First, I cover why our desire for carbohydrates might increase in cold weather (hint: it's probably all the shivering our muscles do in an att...

Dear Mark: Your 21-Day Challenge Questions Answered

September 23, 2013 - The 21-Day Challenge is simple in theory, but not always easy, especially if you are brand new to the Primal Blueprint and trying to change decades of bad habits and unhealthy lifestyle behaviors. Wi...

It’s Not Just About the Weight Loss

September 12, 2013 - A whole lot of people come to the Primal Blueprint looking to lose weight. Some come with significant excess weight. Their before and after photos showcase amazing physical transformations that can ha...

Can Pilates Make You Lose Weight?

September 17, 2007 - Separating the Marketing from the Truth: An Expert Offers Her Insights This is a guest post from pilates pro Zoe Anderson of thinkpilates.com. Pilates and Weight Loss So... is pilates really...

How We’re Setting Our Kids Up to Be Fat, Sick, and Unhappy

May 06, 2015 - I've been on a bit of a "children's health and wellness" kick lately, with a couple posts discussing the importance — and, unfortunately, dearth — of free play and exploration in our children's li...

Dear Mark: Fish Oil Study, 1500 Calories, Breaking a Plateau, and Bulletproof Coffee vs IF

April 20, 2015 - For today's edition of Dear Mark, I'm answering four questions. First up is from Milad, who wonders about the recent research seeming to show that fish has little to no effect on heart disease. Is it...

Dear Mark: Managing a Cheat Day and “Raw” Almonds

October 08, 2012 - We're finally back in the swing of things. Back to the regular programming. It's good to shake things up now and then, but there's really nothing quite like getting back into your normal groove. Last ...

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