The paleo diet is promoted as a way of improving health. There is some evidence that following this diet may lead to improvements in terms of body composition and metabolic effects compared with the typical Western diet or compared with diets recommended by national nutritional guidelines. There is no good evidence that the diet helps with weight loss, other than through the normal mechanisms of calorie restriction. Following the paleo diet can lead to nutritional deficiencies such as an inadequate calcium intake, and side effects can include weakness, diarrhea, and headaches.
“Hartwig, a sports nutritionist and cocreator of the Whole30 diet plan, packs her fourth book on the subject with 150 recipes that are, as the cover proclaims in all-caps, “totally compliant.” That means heavy emphasis on eggs, meat, fish, and fresh vegetables, but no grains, dairy, legumes or added sugars. Whether or not one buys into Whole30, there is no denying that Hartwig has come up with a clever array of healthy and flavorful dishes. Highlights include Asian beef zoodle (zucchini noodles) soup, which is similar to Vietnamese pho but uses zucchini noodles, and grilled Jamaican jerk salmon with fresh mango salsa. Many of the recipes come courtesy of guest cooks from various food blogs. For instance, Michelle Smith, from the Whole Smiths blog, contributes cherry-chipotle BBQ chicken thighs, with the fruit providing the sweetness and ground chipotle bringing the heat. Veteran food and cocktail photographer Brent Herrig drives home the point that a burger served on a tomato slice is as delectable as one on a bun, and that meatballs do just fine in a cream sauce made with coconut milk. (Dec.)” —Publishers Weekly
Primal Blueprint Quick and Easy Meals: Delicious, Primal-approved meals you can make in under 30 minutes by Mark Sisson and Jennifer Meier. Every recipe is accompanied by an ingredient list, a nutrient list, clearly written instructions, and a picture of the ingredients and a picture of the finished product. Note that this is a primal book and many recipes include dairy. Published March 25, 2011.
After the Internet fitness community began talking about an Ohio State University study that described relatively high injury rates among CrossFitters, the Russes mobilized. They had Glassman's father, Jeffrey Glassman (now "chief scientist" at CrossFit), write a comprehensive rebuttal to the study for the CrossFit website. Berger called each and every research subject who had been reported as injured, to conclude that none actually were hurt, and then added an entire stammering Q&A with one of the paper's authors, kinesiology professor Steven Devor. Here's the kicker: The actual subject of the study was the great improvements in fitness the researchers found in CrossFit athletes. Aside from a handful of sentences, it was all positive.
The Paleo diet includes nutrient-dense whole fresh foods and encourages participants to steer away from highly processed foods containing added salt, sugar, and unhealthy fats. However, the omission of whole grains, dairy, and legumes could lead to suboptimal intake of important nutrients. The restrictive nature of the diet may also make it difficult for people to adhere to such a diet in the long run. More high-quality studies including randomized controlled trials with follow-up of greater than one year that compare the Paleo diet with other weight-reducing diets are needed to show a direct health benefit of the Paleo diet. Strong recommendations for the Paleo diet for weight loss cannot be made at this time.
The program was created by wife and husband Melissa Hartwig and Dallas Hartwig in 2009. They both became certified sports nutritionists; he worked as a physical therapist, and she was working at an insurance company during the day and doing nutritional consulting in her spare time. She quit her job to run the Whole30 business in 2010. They co-authored It Starts With Food (2012) and The Whole30: The 30-Day Guide to Total Health and Food Freedom (2015). They separated in 2015. Melissa Hartwig took over the business, and published Food Freedom Forever: Letting Go of Bad Habits, Guilt, and Anxiety Around Food in 2016.