Origins and Evolution of Human Diet was an academic web site at the University of Arkansas devoted to discussion of evolution and the human diet. They had good articles on the conferences link. Here is one from the archives: Boyd Eaton's Evolution, Diet and Health which argues that current w-6 : w-3 imbalance together with absolute dietary DHA intake quite low in human evolutionary perspective may be relevant to the frequency of unipolar depression.
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Several potential mechanisms could explain why restricting carbohydrates might lead to AFib, Zhuang said. One is that people eating a low-carbohydrate diet tend to eat fewer vegetables, fruits and grains—foods that are known to reduce inflammation. Without these foods people may experience more inflammation, which has been linked with AFib. Another possible explanation is that eating more protein and fat in lieu of carbohydrate-rich foods may lead to oxidative stress, which has also been associated with AFib. Finally, the effect could be related to an increased risk of other forms of cardiovascular disease.
No background science here or lengthy explanations, only 15 easy guidelines to follow to kick-start your Paleo journey. It’s up to you to decide to what extent you want to follow those guidelines, but if you follow them 100% you can be assured that you are eating the best food for your body and greatly investing in your long term health and well-being.
With a very simple shift we not only remove the foods that are at odds with our health (grains, legumes, and dairy) but we also increase our intake of vitamins, minerals, and antioxidants. Here is a great paper from Professor Loren Cordain exploring how to build a modern Paleo diet: The nutritional characteristics of a contemporary diet based upon Paleolithic food groups. This paper also offers significant insight as to the amounts and ratios of protein, carbohydrate and fat in the ancestral diet.
If limited initially or during the induction phase, full-fat dairy, legumes, and whole grains can also be added during this maintenance phase as long as goals are maintained and tolerated without any hypersensitivity or adverse response. Lifelong maintenance phase can then continue in accordance with patient preference. Periodic monitoring of cardiovascular risk markers and control of cardiometabolic disease should also be a priority. Those with type 2 diabetes require close monitoring for hypoglycemia and reduction of insulin or hypoglycemic medications are prudent with rapid reductions in fasting glucose. Evidence Levels: IV
However, placing certain food groups on your "do not eat" list does have the potential work against you. "When a person sees the foods as 'off limits,' and consuming them is somehow breaking a rule and therefore sees themselves as a 'bad person,' mental damage is what is going to ensue long term versus the 30-day health benefits that you will receive," Smith cautions.
Shying away from fat is as detrimental as over-consuming it as healthy fats are a crucial component of a healthy diet. Despite the fact that the "low-fat" fad has been widely discredited and healthy fats have been shown to improve everything from high cholesterol to brain health, hardly a day goes by that you don't see or hear a negative message about fats in the diet. This, and a desire to drop weight fast, may cause you to attempt a low-fat version of a low-carb diet.
Paleo diets are based on a simple premise – if the cavemen didn’t eat it, you shouldn’t either. So long to refined sugar, dairy, legumes and grains (this is pre-agricultural revolution), and hello to meat, fish, poultry, fruits and veggies. The idea is that by eliminating modern-era foods like highly-processed carbs and dairy, you can avoid or control “diseases of civilization” like Type 2 diabetes and heart disease, and likely lose weight too. What you eat and how much depend on your goals or the specific program you’re on, if you choose to follow one. The high-protein diet is ranked poorly among U.S. News experts, who consider it too restrictive to be healthy or sustainable.