Articles by Ph.D.: Page 2
Topical Vitamin C Benefits for Skin Health
Mark J. Smith, Ph.D. and Ph.D.
Vitamin C creams and serums claim benefits for skin health like reducing wrinkles and skin discoloration. How does vitamin C help skin? 
Vegetarian and Vegan Diets, Part 3: Other Nutrient Deficiencies
Loren Cordain, Ph.D. and Ph.D.
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. 
Vegetarian and Vegan Diets, Part 2: Fertility Issues
Loren Cordain, Ph.D. and Ph.D.
Vitamin B12 deficiencies caused by vegetarian diets can create problems for infants and pregnant women. 
Vegetarian and Vegan Diets, Part 1: Why They Aren’t Healthy
Loren Cordain, Ph.D. and Ph.D.
Dr. Cordain discusses the ramifications of following a vegetarian or vegan diet and subsequent devastating effects. Follow a Paleo Diet for optimal health. 
Plant Protein vs. Animal Protein: What’s The Difference?
Mark J. Smith, Ph.D. and Ph.D.
Are plant-based proteins just as good as animal proteins? No, in the debate of plant protein vs animal protein, the science clearly shows that animal proteins are healthier and better sources of protein for several important reasons. 
Why The Paleo Diet Doesn’t Focus on Macronutrients
Mark J. Smith, Ph.D. and Ph.D.
We are individuals with different dietary needs and seasonal availability. So why try to stick to a set macronutrient profile that has previously never existed, when variability is a part of life? 
How to Start Eating Healthy: Our 85/15 Guide to Natural, Healthy Eating
Mark J. Smith, Ph.D. and Ph.D.
Need more wiggle room in your diet? Try this categorized approach to dieting that will get you results while allowing you to enjoy your favorite off-limit foods. 
The Importance of the Omega-6/Omega-3 Ratio to Human Health
Mark J. Smith, Ph.D. and Ph.D.
Humans evolved to consume approximately a 1:1 ratio of omega-6 to omega-3 fatty acids. While there has been a push for a higher consumption of omega-3s, many don’t realize they’re also over-consuming omega-6s. 
How to Squat Like Our Paleolithic Ancestors to Improve Health
Mark J. Smith, Ph.D. and Ph.D.
A plethora of research shows a sedentary lifestyle is harmful to one’s health. Instead of chair-sitting, try squatting which uses a higher level of muscle activity for better health and longevity. 
The Sodium/Potassium Ratio and Its Importance in Human Health
Mark J. Smith, Ph.D. and Ph.D.
Evidence suggests that the sodium/potassium ratio with a Paleo Diet is far more beneficial to human health when compared to a typical Western diet. 
The Importance of Sleep for Your Immune System
Mark J. Smith, Ph.D. and Ph.D.
We often focus on diet and exercise to improve our health and immunity, but the importance of a good night’s sleep can’t be overstated. 
Ten Questions about The Paleo Diet with Dr Loren Cordain
Loren Cordain, Ph.D. and Ph.D.
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.