The Paleo Diet® | Science
Paleo 101
Paleo 101
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Learn about Paleo and how to get started.
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Paleo vs Keto: What's the Difference?

By Lauren Fellows
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What You Should and Should Not Eat on The Paleo Diet®

By Lauren Fellows
The Paleo Diet Over The Last 20 Years

The Paleo Diet - What We’ve Learned in the Past 20 Years

By Irene Jay
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Recipes
Recipes
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Get free Paleo recipes and weekly meal plans.
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Thai Chicken Curry Meatballs with Zoodles

By Jess Case
Apple chips FI

Air-Fryer Spiced Apple Chips

By Jess Case
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PaleoFLEX™ Coconut Date Muffins

By Jess Case
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Lifestyle
Lifestyle
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Defeating the Afternoon Energy Slump for Good

By Isabella Mead
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The Paleo Solution to the BRAT Diet

By Betsy Schroeder
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The 10 Best Natural Electrolyte Drinks for Everyday Hydration

By Betsy Schroeder
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Science
Science
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Why It’s Important to Eat a Low-Glycemic Load Diet

By Mark J. Smith, Ph.D.
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Animal Protein Is Superior to Plant Protein: Here's Why

By Mark J. Smith, Ph.D.
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3 Nutrient Ratios to Keep in Balance

By Betsy Schroeder
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Partnerships
Partnerships
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The Paleo Diet® Partners with Where Food Comes From

By Dave Trendler
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Why Food Certification Matters

By Trevor Connor, M.S.
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The Paleo Diet® Launches Food Certification Program

By Dave Trendler
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Science

Make an informed decision about your health by exploring the science behind nutrition and a Paleolithic diet.

Explore the Science

Browse a variety of topics that explain the science behind The Paleo Diet.

28 Day Paleo Reset
You Are What You Eat: The Science Behind Our Food
 

Groundbreaking Research Finds The Paleo Diet® Most Effective at Improving Markers of Chronic Illness

A recent, large-scale meta-analysis shows The Paleo Diet is better than the Mediterranean and DASH diets...

By Trevor Connor, M.S.

The Dangers of High Salt Diet: Impact on Autoimmunity

Our Paleo ancestors survived on a low salt diet. Today, it’s everywhere and nearly impossible to avoid. Discover the dangers of a high salt diet.

By Dr. Marc Bubbs

Why Dairy Isn't Paleo

Dr. Cordain discusses dairy’s unfavorable effect on health and how milk proteins and peptides can promote allergies, inflammation, and autoimmune disease.

By Loren Cordain, Ph.D.

How Much Sugar is in Your Fruit?

How much sugar does fruit contain, compared to candy? The answer might surprise you!

By Isabella Mead

The Wheat Series Part 1: Wheat and the Immune System

A healthy gut exposed to wheat isn’t fine in anyone. Find out how the relationship between wheat and the immune system causes inflammation in our guts.

By Trevor Connor, M.S.
Addressing the Science of the Paleo Diet
 
Forget the Macronutrient Ratios. Here's Why.
By Trevor Connor, M.S.
Vegetarian and Vegan Diets, Part 1: Why They Aren't Healthy
By Loren Cordain, Ph.D.
Eliminating Non-Paleo Foods Improves Nutrient Density
We compare the nutrient density of Paleo foods to non-Paleo foods to show the health benefits of eating natural foods.
By Loren Cordain, Ph.D.
Can The Paleo Diet Protect Against Chronic Diseases?
Chronic diseases have surpassed infectious diseases as the primary threat to human health. See how Paleo can prevent CNCDs.
By Dr. Marc Bubbs
New from our Experts
 

The Paleo Diet® is an Anti-Inflammatory Diet

Chronic inflammation is at the heart of most chronic illnesses, including autoimmune disease, heart disease, and cancer. Here’s how The Paleo Diet can stop chronic inflammation, minimizing your risk of these problems.

By Mark J. Smith, Ph.D.

Defeating the Afternoon Energy Slump for Good

Tired in the afternoon? Defeat the afternoon energy slump by understanding why it occurs and the Paleo foods you can eat to avoid it.

By Isabella Mead

Groundbreaking Research Finds The Paleo Diet® Most Effective at Improving Markers of Chronic Illness

A recent, large-scale meta-analysis shows The Paleo Diet is better than the Mediterranean and DASH diets...

By Trevor Connor, M.S.

Vegetarian and Vegan Diets, Part 3: Other Nutrient Deficiencies

You don’t have to look any further than the ADA’s or the USDA’s recommendations on vegetarian diets to discover their additional nutrient shortcomings.

By Loren Cordain, Ph.D.

Vegetarian and Vegan Diets, Part 2: Fertility Issues

Vitamin B12 deficiencies caused by vegetarian diets can create problems for infants and pregnant women.

By Loren Cordain, Ph.D.
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Dive Deeper Into The Science
 
Key Nutrients
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The Importance of the Calcium-to-Magnesium Ratio

By Trevor Connor, M.S.
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The Importance of the Omega-6/Omega-3 Ratio to Human Health

By Mark J. Smith, Ph.D.
Green smoothies

The Sodium/Potassium Ratio and its Importance in Human Health

By Mark J. Smith, Ph.D.
power bowl with eggs chickpeas and meat

Animal Protein Is Superior to Plant Protein: Here's Why

By Mark J. Smith, Ph.D.
Omega 3

Why We Shouldn't Exclude Fat from Our Diets

By The Paleo Diet® Team
Disease Prevention
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Healthy Aging: Study Shows High-Carbohydrate Diets Promote Dementia

By David Whiteside
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Physiological Mechanisms: Underlying High Salt Diets and Cancer

By Loren Cordain, Ph.D.
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Can Paleo Improve Low Mood & Depression?

By Dr. Marc Bubbs
Hot Topics
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Diet Wins a Battle With Alzheimer’s

By David Whiteside
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The Growing Shortage of Nurses

By David Whiteside
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Podcast with Dr. Paul Saladino

By The Paleo Diet® Team
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Disease Prevention
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Key Nutrients
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Paleo Leadership
 
Trevor Connor
Trevor Connor

Dr. Loren Cordain’s final graduate student, Trevor Connor, M.S., brings more than a decade of nutrition and physiology expertise to spearhead the new Paleo Diet team.

Mark J Smith
Dr. Mark J. Smith

One of the original members of the Paleo movement, Mark J. Smith, Ph.D., has spent nearly 30 years advocating for the benefits of Paleo nutrition.

Nell Stephenson
Nell Stephenson

Ironman athlete, mom, author, and nutrition blogger Nell Stephenson has been an influential member of the Paleo movement for over a decade.

Loren Cordain
Dr. Loren Cordain

As a professor at Colorado State University, Dr. Loren Cordain developed The Paleo Diet® through decades of research and collaboration with fellow scientists around the world.

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