The Pros and Cons of the Paleolithic Diet

The Paleolithic diet has been around for a few years and in my opinion is a pretty good diet, but alas as with every restrictive diet, there are caveats.

The following article comprehensively covers the pros and cons of this eating pattern. It is based on the facts (as we know them) that our ancestors only had access to certain foods and that our genetic development is presumed to have evolved from inclusion and exclusion of these foods into our current dietary pattern. Evidence for this is presumed to be accurate – however, we truly do not know what our Paleo ancestors really ate.  Our ancestors lived in diverse environments; therefore, their diets were dependent on the foods found there. There is a great deal of controversy about the possibility that some ate a diverse plant-based diet, e.g. hunting was not so reliable.

Most evidence is based on our contemporary hunter-gatherer societies which exhibit less chronic disease than those populations that follow the current American diet. For example, there are no Hadza adults diagnosed with diabetes in Tanzania, while the Tsimané people in Bolivia have an 80 percent lower rate of atherosclerosis compared to people in the U.S. The Maasai community in Kenya that relies on red meat, blood and milk is also known for little to none cardiovascular diseases.

The Pros and Cons

Our ancestors and modern-day hunter-gatherers ate more animal-based foods, which contain good amounts of high-quality protein, calcium, iron, omega-3 fatty acids and vitamins B12 and K2. Such nutrients are commonly found in seafood, red meat, pastured eggs and liver.

An ancestral diet removes refined sugar, grains and seed oils from one’s daily meals. Avoiding these modern products helps reduce markers of inflammation, leading to improvements in blood pressure, waist circumference and lipid profiles, components of the metabolic syndrome.

One study showed that people who consumed less added sugar, refined grains and processed foods could significantly reduce weight in 12 months. The ancestral diets provide foods that are more satiating, which help people consume fewer calories.

The Paleo diet excludes extremely calorie dense foods (starchy foods) as well as many processed and snack foods.

However the diet eliminates two major food groups (dairy and grains (enriched or whole).  This puts at risk adequate vitamin D and calcium levels as well as the other nutrients found within these foods.

The Paleo diet provides some essential nutrients and may appeal to some people that are not interested in a total plant based eating pattern, i.e., dedicated carnivores.

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