All Articles by Loren Cordain, Ph.D.

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.

Vegetarian and Vegan Diets, Part 1: Why They Aren't Healthy

Dr. Cordain discusses the ramifications of following a vegetarian or vegan diet and subsequent devastating effects. Follow a Paleo Diet for optimal health.

By Loren Cordain, Ph.D.

Can Fruits and Vegetables Help Us Live Longer?

A brief history of the “Juice Men”, Norman Walker and Jay Kordich, and how their ahead-of-the-times concept of “juicing” has applicable health benefits today.

By Loren Cordain, Ph.D.

Ten Questions about The Paleo Diet with Dr Loren Cordain

Read a transcript of Dr. Cordain’s recent interview in which he answers 10 questions about the history and the basics of the Paleo Diet.

By Loren Cordain, Ph.D.

Fiery Hot Sauces: Are They Healthy?

Hot sauces are an evolutionary new addition to our diet, but are they good for us?

By Loren Cordain, Ph.D.

Why Saint Louis Style Pork Ribs Are So Healthy

St. Louis style pork ribs come from the healthiest part of the pig. Dr. Cordain of The Paleo Diet explains why their high menaquinone content may help your health in today’s entry.

By Loren Cordain, Ph.D.

Salt is a Killer Without Huge Intakes of Fruits and Veggies

Are you eating enough fresh fruits and veggies to counteract your salt intake?

By Loren Cordain, Ph.D.

The Long-term Nutritional Deficiencies of a Keto Diet

While the Paleo diet and ketogenic diets are often confused, they have important differences that need to be recognized.

By Loren Cordain, Ph.D.

Fresh Sardines or Canned Sardines: No Longer an Option for Americans

In today’s post, we explore the effects of the declining sardine population on the US market and your health.

By Loren Cordain, Ph.D.

The Sodium to Potassium Ratio Is One Reason Cheese is Not Paleo

Dairy products, including cheese, are not allowed on The Paleo Diet. Here’s what you need to know about the dangers of consuming cheese.

By Loren Cordain, Ph.D.

Why Olives Are Not Paleo, But Olive Oil Is

Olive oil is frequently used in Paleo cooking, so does that mean olives are Paleo too?

By Loren Cordain, Ph.D.

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Paleo Leadership

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.

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

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

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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Keep up on the latest news, science, recipes, and lifestyle topics in The Paleo Diet®

Paleo vs Keto: What's the Difference?

What You Should and Should Not Eat on The Paleo Diet®

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

PaleoFLEX™ Matcha Coconut Cups

Golden Glow Soup

Colorful Chicken Vegetable Soup

Defeating the Afternoon Energy Slump for Good

The Paleo Solution to the BRAT Diet

The 10 Best Natural Electrolyte Drinks for Everyday Hydration

Why It’s Important to Eat a Low-Glycemic Load Diet

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

3 Nutrient Ratios to Keep in Balance

The Paleo Diet® Partners with Where Food Comes From

Why Food Certification Matters

The Paleo Diet® Launches Food Certification Program

All Articles by Loren Cordain, Ph.D.