In making the case for meat, Cordain presents anecdotal evidence of Eskimos who lived their full life without a heart attack. The Eskimo diet consists of 97% meat, which he concedes causes all Eskimos to develop atherosclerosis—a common precursor to heart disease. But Cordain says Eskimos never die of heart disease. He discusses one Eskimo who lived 45 years and another who lived 53 years, both without heart disease! He then jumps to the conclusion that because these Eskimos didn’t get heart attacks, even with severe atherosclerosis, meat must have protected them from heart disease. So Cordain’s best case for lots of meat is that you can live to the ripe age of 45 or even 53 without a heart attack. But do people—even unhealthy smokers or the obese—generally get heart attacks before age 53?
The biggest downside of this diet is how restrictive it is. A month is a pretty long stretch to make it without taking bite of quinoa, popping a chickpea, or sneaking a sip of wine (especially if you’re a busy, social person), and the protocol does not allow for even the smallest of slip-ups. From the manual: “One bite of pizza, one spoonful of ice cream, one lick of the spoon mixing the batter within the 30-day period and you’ve broken the “reset” button, requiring you to start over again on Day 1.” (Yikes!)
LOREN CORDAIN, Ph.D., is one of the top global researchers in the area of evolutionary medicine. Generally acknowledged as the world's leading expert on the Paleolithic diet, he is a professor in the Health and Exercise Science Department at Colorado State University. Dr. Cordain and his research have been featured on Dateline NBC and in the New York Times, the Wall Street Journal, and other media. He is the author of The Paleo Diet and The Paleo Diet Cookbook, among other books, and makes regular media and speaking appearances worldwide.
The Games include age-based divisions for younger and older competitors. Masters divisions were introduced at the 2010 Games. There are currently six divisions each for women and men: 35–39, 40–44, 45–49, 50–54, 55–59, and 60+. Divisions for teenagers were introduced in 2015: the age ranges are 14–15 and 16–17, for both boys and girls. Rather than regional events, masters and teen athletes qualify for the games by a second online competition following the Open. The top 200 athletes in each division worldwide are invited to compete in this qualifier, of which the top 20 advance to the Games.[31] Prior to the introduction of these secondary online qualifiers, masters and teens competitors qualified for the Games directly from the Open.
In July 2016, a New York Times article on use of Instagram by dieters noted that participants in the Whole30 program had shared over one million Instagram posts using the #Whole30 hashtag, and noted that those sharing the tag were "one of seemingly endless like-minded communities," comparing it with the over 3.5 million posts under the #WeightWatchers hashtag.[11]

Do not step on the scale or take any body measurements for 30 days. The Whole30 is about so much more than weight loss, and to focus only on body composition means you’ll overlook all of the other dramatic, lifelong benefits this plan has to offer. So, no weighing yourself, analyzing body fat, or taking comparative measurements during your Whole30. (We do encourage you to weigh yourself before and after, so you can see one of the more tangible results of your efforts when your program is over.)

Nutrition & Physical Degeneration by Dr. Weston Price's book puts to rest a lot of myths about diet, dental, physical, and emotional health, and presents the strongest case for a super-nutritious Native (or Paleo) Diet. His book outlines the conditions/causes for exceptional health. A classic that was first published in 1938. The Soil and Health Library has a Book Review by Steve Solomon. If you don't buy the book at least read the review. N.B. If you live in one of the countries where this book is now in the public domain, you can read it online. But not if you live in a country where it is still under copyright protection.
CrossFit gyms use equipment from multiple disciplines, including barbells, dumbbells, gymnastics rings, pull-up bars, jump ropes, kettlebells, medicine balls, plyo boxes,[23] resistance bands, rowing machines, and various mats. CrossFit is focused on "constantly varied, high-intensity, functional movement,"[24] drawing on categories and exercises such as calisthenics,[25] Olympic-style weightlifting, powerlifting, Strongman-type events, plyometrics, body weight exercises, indoor rowing, aerobic exercise, running, and swimming.[26]