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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3 Ways to Regulate Insulin That Have Nothing to Do with Food

June 06, 2017 - Today's guest post is served by a good friend of Mark's Daily Apple, Dr. Sarah Ballantyne, PhD, or as you might know her—The Paleo Mom.   Regulating blood sugar levels is a key feature of any he...

Do Low-Carb Diets Cause Insulin Resistance?

April 28, 2015 - A few weeks back in the "How to Improve Your Insulin Sensitivity" post, I apparently dropped a bit of a bombshell: that very low carb diets can induce insulin resistance. Many of you wrote to me askin...

25 Ways to Improve Your Insulin Sensitivity

April 01, 2015 - Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to...

Dear Mark: Does Eating a Low Carb Diet Cause Insulin Resistance?

August 27, 2012 - Despite all the success you might have had with the Primal way of life, doubts can still nag at you. Maybe it's something you read, or something someone said to you, or a disapproving glance or offhan...

Dear Mark: Coffee and Insulin, Fat and Post-Workout Meals

August 13, 2012 - In today's edition of Dear Mark, I cover two topics near and dear to many of your hearts. First, I discuss the interaction between coffee intake and insulin. Does coffee stimulate its secretion? Does ...

Do Artificial Sweeteners Cause an Insulin Spike?

February 03, 2011 - The notion that artificial sweeteners (and sweet tastes in general) might produce an insulin response is one of those murky memes that winds itself around the blogs, but it's never stated one way or t...

Dairy and Its Effect on Insulin Secretion (and What It Means for Your Waistline)

January 11, 2011 - Insulin is an old, old hormone. Evolution has preserved its structure across hundreds of millions of years and hundreds of thousands of species. Fish, insects, reptiles, birds, and mammals all secrete...

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...

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...

Adaptogen Effects: American and Asian Ginseng

June 22, 2017 - I’ve been using adaptogens for quite some time, but in the last year I've been experimenting a little more with them. You may have caught my mention of a few adaptogenic varieties in one version o...

Do Low-Carb Diets Cause Insulin Resistance?

April 28, 2015 - A few weeks back in the "How to Improve Your Insulin Sensitivity" post, I apparently dropped a bit of a bombshell: that very low carb diets can induce insulin resistance. Many of you wrote to me askin...

25 Ways to Improve Your Insulin Sensitivity

April 01, 2015 - Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to...

Dear Mark: Does Eating a Low Carb Diet Cause Insulin Resistance?

August 27, 2012 - Despite all the success you might have had with the Primal way of life, doubts can still nag at you. Maybe it's something you read, or something someone said to you, or a disapproving glance or offhan...

Dear Mark: Coffee and Insulin, Fat and Post-Workout Meals

August 13, 2012 - In today's edition of Dear Mark, I cover two topics near and dear to many of your hearts. First, I discuss the interaction between coffee intake and insulin. Does coffee stimulate its secretion? Does ...

Do Artificial Sweeteners Cause an Insulin Spike?

February 03, 2011 - The notion that artificial sweeteners (and sweet tastes in general) might produce an insulin response is one of those murky memes that winds itself around the blogs, but it's never stated one way or t...

Dairy and Its Effect on Insulin Secretion (and What It Means for Your Waistline)

January 11, 2011 - Insulin is an old, old hormone. Evolution has preserved its structure across hundreds of millions of years and hundreds of thousands of species. Fish, insects, reptiles, birds, and mammals all secrete...

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...

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...

Adaptogen Effects: American and Asian Ginseng

June 22, 2017 - I’ve been using adaptogens for quite some time, but in the last year I've been experimenting a little more with them. You may have caught my mention of a few adaptogenic varieties in one version o...

Is Keto for Everyone?—Cautions, Caveats, and Contraindications

June 21, 2017 - In a few months, I'll be releasing a book extolling the virtues of a ketogenic diet. I'm currently several months into a ketogenic experiment, which is going well. I just wrote a Definitive Guide exp...

3 Ways to Regulate Insulin That Have Nothing to Do with Food

June 06, 2017 - Today's guest post is served by a good friend of Mark's Daily Apple, Dr. Sarah Ballantyne, PhD, or as you might know her—The Paleo Mom.   Regulating blood sugar levels is a key feature of any he...

25 Ways to Improve Your Insulin Sensitivity

April 01, 2015 - Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to...

Dear Mark: Coffee and Insulin, Fat and Post-Workout Meals

August 13, 2012 - In today's edition of Dear Mark, I cover two topics near and dear to many of your hearts. First, I discuss the interaction between coffee intake and insulin. Does coffee stimulate its secretion? Does ...

10 Tips to Boost Your Serotonin

May 24, 2017 - Serotonin is a major regulator of mood and depression risk. These are important, vital roles, to be sure. Your mood describes how you experience and interpret the world. If it's consistently bad, you'...

How to Exercise with An Autoimmune Condition

March 23, 2017 - Autoimmune diseases really throw the body for a loop. You're attacking your own tissues. Your inflammation is sky high. What's usually good for you—like boosting the immune system—can make it wors...

Where Do I Start? The Big Picture on Tackling Primal Challenges

February 01, 2017 - Earlier this month, a reader posed a fantastic question that prompted today's post. It was long, so I'll give the choice bits rather than quote the entire thing: Where do I start? I’d be interested...

Dear Mark: More of Your Challenge Questions Answered

January 23, 2017 - For today's edition of Dear Mark, I'm answering 11 questions. I answer questions about nutrient deficiencies and tremors, breastfeeding on the 21-Day Primal Blueprint Challenge, cheating without appa...

How Long Does It Take for Fitness Benefits to Show?

January 17, 2017 - A big reason most people never stick to a serious exercise routine is that the benefits most people are interested in take a while to appear. Fat loss, muscle gain, boosts to strength, speed, and sta...

Dear Mark: Your Challenge Questions Answered

January 16, 2017 - Last week, you guys asked me a ton of questions as part of a contest. Today, I'm going to answer an initial batch. (If you don't see yours, check back on Mondays to come when I'll take up others.) Fir...

Dear Mark: IGF-1 and Fasting, Ex-CrossFitter Fitness Maintenance, and Barre Training

September 26, 2016 - For today's edition of Dear Mark, I'm answering three questions from readers. First, what's the deal with IGF-1, growth hormone, and intermittent fasting? Some people say fasting increases growth horm...

25 Ways to Improve Your Insulin Sensitivity

April 01, 2015 - Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to...

Is Keto for Everyone?—Cautions, Caveats, and Contraindications

June 21, 2017 - In a few months, I'll be releasing a book extolling the virtues of a ketogenic diet. I'm currently several months into a ketogenic experiment, which is going well. I just wrote a Definitive Guide exp...

Dear Mark: Keto Follow-Up

June 12, 2017 - For today's edition of Dear Mark, I'm answering some questions from the comment board of last week's Definitive Guide to Keto. You folks came up with some great ones. Is counting carbs in non-starchy ...

Dear Mark: Too Much Serotonin and Broccoli Sprouts

June 05, 2017 - For today's edition of Dear Mark, I'm answering two questions from readers. The first is more of a comment, but it brought up a few questions for me to address. Is "more serotonin" always a good thing...

Long Fasts: Worth the Risk?

February 22, 2017 - Intermittent fasting, schmittermittent schmasting. The hot new trend is the extended fast—eating nothing and drinking only non-caloric beverages for no less than three days and often as many as 30-4...

What Is the Vagus Nerve? (and How Does It Impact Health, Mood and Performance?)

February 16, 2017 - In recent years, I’ve regularly vouched for the gut as our long-abused secondary brain. Given what most of us grew up learning in school, it can feel like a mammoth shift. Science and philosophy hav...

A Primal Look at Gestational Diabetes

February 14, 2017 - Every pregnant woman I've ever known has hated the oral glucose tolerance test. Yet, they still do it. Drinking a tall glass of sickly sweet orange-flavored glucose water on an empty stomach is thorou...

Where Do I Start? The Big Picture on Tackling Primal Challenges

February 01, 2017 - Earlier this month, a reader posed a fantastic question that prompted today's post. It was long, so I'll give the choice bits rather than quote the entire thing: Where do I start? I’d be interested...

Dear Mark: More of Your Challenge Questions Answered

January 23, 2017 - For today's edition of Dear Mark, I'm answering 11 questions. I answer questions about nutrient deficiencies and tremors, breastfeeding on the 21-Day Primal Blueprint Challenge, cheating without appa...

A Primal Take on Cannabis

December 07, 2016 - Today I'm taking on a mammoth in the living room so to speak. Based on the emails I've received and the string of developments around the issue, it's maybe a long time coming. As of November 11, ma...

3 Ways to Regulate Insulin That Have Nothing to Do with Food

June 06, 2017 - Today's guest post is served by a good friend of Mark's Daily Apple, Dr. Sarah Ballantyne, PhD, or as you might know her—The Paleo Mom.   Regulating blood sugar levels is a key feature of any he...

25 Ways to Improve Your Insulin Sensitivity

April 01, 2015 - Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to...

Adaptogen Effects: American and Asian Ginseng

June 22, 2017 - I’ve been using adaptogens for quite some time, but in the last year I've been experimenting a little more with them. You may have caught my mention of a few adaptogenic varieties in one version o...

10 Tips to Boost Your Serotonin

May 24, 2017 - Serotonin is a major regulator of mood and depression risk. These are important, vital roles, to be sure. Your mood describes how you experience and interpret the world. If it's consistently bad, you'...

Popular Blood Tests—the Facts, Ranges, and Alternatives You Should Know

May 03, 2017 - I'm of two minds when it comes to blood testing. For myself, I'm not a huge fan of obsessive, frequent testing and optimization. I have a good idea about how to optimize my health through the actions ...

How to Exercise with An Autoimmune Condition

March 23, 2017 - Autoimmune diseases really throw the body for a loop. You're attacking your own tissues. Your inflammation is sky high. What's usually good for you—like boosting the immune system—can make it wors...

What Is the Vagus Nerve? (and How Does It Impact Health, Mood and Performance?)

February 16, 2017 - In recent years, I’ve regularly vouched for the gut as our long-abused secondary brain. Given what most of us grew up learning in school, it can feel like a mammoth shift. Science and philosophy hav...

Where Do I Start? The Big Picture on Tackling Primal Challenges

February 01, 2017 - Earlier this month, a reader posed a fantastic question that prompted today's post. It was long, so I'll give the choice bits rather than quote the entire thing: Where do I start? I’d be interested...

Dear Mark: More of Your Challenge Questions Answered

January 23, 2017 - For today's edition of Dear Mark, I'm answering 11 questions. I answer questions about nutrient deficiencies and tremors, breastfeeding on the 21-Day Primal Blueprint Challenge, cheating without appa...

A Primal Take on Cannabis

December 07, 2016 - Today I'm taking on a mammoth in the living room so to speak. Based on the emails I've received and the string of developments around the issue, it's maybe a long time coming. As of November 11, ma...

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...

Primal Egg Coffee: The Best Part of Waking Up?

July 24, 2013 - Bulletproof coffee has taken the paleo world by storm. Not me, though. Don't get me wrong. I'm all for people dropping grass-fed butter and coconut/MCT oil into their high-quality coffee, blending ...

Hazelnut Coffee Pancakes

May 11, 2013 - This is a recipe from the brand new Primal Blueprint Publishing book Primal Cravings: Your Favorite Foods Made Paleo. Order your copy today and claim a bunch of free gifts while the limited-time o...

Vegetable Latkes

December 04, 2010 - Call them what you want – latkes, vegetables pancakes, fried-deliciousness – they’re a holiday treat many of us crave this time of year. They’re also traditionally made with potatoes,  a food...

Coconut Oil and Ghee: Together At Last

January 29, 2010 - You’ve heard about the virtues of coconut oil over and over again and just last week we were extolling them again. You know its got a ton of saturated fat, may strengthen mineral absorption and is a...

Handy Primal Sandwich Alternatives (Or, Sub Subs)

April 22, 2009 - Last week, I got this email from a reader: I work 12 hour ER shifts.  Our cafeteria is too expensive and the food is horrendous anyway (where do you think hospital food gets that reputation?)  My...

The Low-Carb Wonders of Jicama

April 14, 2009 - Jicama is that white, crispy tuberous root that the fruit cart guys always douse in chile power and lime and serve on a stick. The naturally-occurring oligofructose inulin lends it a slightly sweet fl...

Primal Breakfast Suggestions for People on the Go

July 07, 2008 - The all-American breakfast smorgasbord: cold cereal of every variety (from super colon blow to candy coated balls of sugar in the shape of the latest cartoon fad), toast, toaster strudel, bagels, croi...

How Being Diagnosed with Type 1 Diabetes Improved My Entire Life!

June 09, 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...

At 87 Years Old, for the First Time in My Life I Feel Beautiful, Both Inside and Out

May 05, 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...

Finally Getting Lean and Feeling Excellent!

April 21, 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...

I Now Have Plans All the Way to Ninety

March 24, 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...

My Transformation Was So Miraculous I Went on to Coach 200 Others

January 13, 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...

I Have Never Felt Healthier and Happier in My Life

November 25, 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...

Blood Sugar Normalized and Plenty of Energy: If I Can Do This, Anyone Can

August 12, 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...

How an Accelerated Health Transformation Made Me Feel 20 Years Younger!

July 01, 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 Ma...

How I Rediscovered My Health and Love of Real Food

June 17, 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 Ma...

100 Pounds Lost, Type II Diabetes Gone, and High Blood Pressure Normalized After Going Primal

May 27, 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 Ma...

Do Low-Carb Diets Cause Insulin Resistance?

April 28, 2015 - A few weeks back in the "How to Improve Your Insulin Sensitivity" post, I apparently dropped a bit of a bombshell: that very low carb diets can induce insulin resistance. Many of you wrote to me askin...

25 Ways to Improve Your Insulin Sensitivity

April 01, 2015 - Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to...

Dear Mark: Does Eating a Low Carb Diet Cause Insulin Resistance?

August 27, 2012 - Despite all the success you might have had with the Primal way of life, doubts can still nag at you. Maybe it's something you read, or something someone said to you, or a disapproving glance or offhan...

Do Artificial Sweeteners Cause an Insulin Spike?

February 03, 2011 - The notion that artificial sweeteners (and sweet tastes in general) might produce an insulin response is one of those murky memes that winds itself around the blogs, but it's never stated one way or t...

Dairy and Its Effect on Insulin Secretion (and What It Means for Your Waistline)

January 11, 2011 - Insulin is an old, old hormone. Evolution has preserved its structure across hundreds of millions of years and hundreds of thousands of species. Fish, insects, reptiles, birds, and mammals all secrete...

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...

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...

Cool Things You Notice Happening Once You Start to Lose Weight

June 13, 2017 - Most people come to the Primal Blueprint because they want to lose weight. Ask any purveyor of a specific diet and they'll say much the same thing. The majority of people are interested in dropping bo...

What Is the Vagus Nerve? (and How Does It Impact Health, Mood and Performance?)

February 16, 2017 - In recent years, I’ve regularly vouched for the gut as our long-abused secondary brain. Given what most of us grew up learning in school, it can feel like a mammoth shift. Science and philosophy hav...

Dear Mark: More of Your Challenge Questions Answered

January 23, 2017 - For today's edition of Dear Mark, I'm answering 11 questions. I answer questions about nutrient deficiencies and tremors, breastfeeding on the 21-Day Primal Blueprint Challenge, cheating without appa...

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