The aspects of the paleo diet that advise eating fewer processed foods and less sugar and salt are consistent with mainstream advice about diet.[1] Diets with a paleo nutrition pattern have some similarities to traditional ethnic diets such as the Mediterranean diet that have been found to be healthier than the Western diet.[3][6] Following the paleo diet, however, can lead to nutritional deficiencies such as those of vitamin D and calcium, which in turn could lead to compromised bone health;[1][20] it can also lead to an increased risk of ingesting toxins from high fish consumption.[3]
I’m not going to say I didn’t have some pretty difficult moments. For example, don’t purchase an ice cream maker the day you start your Whole30 and let it sit in your entryway for 30 days to taunt you. I did that; it was dumb. Also, there were points in the program on those days when I felt off that I broke down or wanted to throw in the towel. Feeling bad on top of the normal Lyme symptoms wasn’t great, but I’m glad that I stuck it out.
You likely will lose weight on Whole30—“many people do appear to lose weight while following the plan, likely due to the decreased reliance on processed foods and increased consumption of whole foods, such as fruits and vegetables,” says Cohen. But it wasn’t designed for weight loss, and once the 30 days are over, you may gain all the weight back as you reintroduce your body to a normal diet.
In 2011, ESPN began to broadcast the CrossFit Games, with live coverage streamed through ESPN3, and some television coverage on ESPN2. As the event grew, ESPN expanded its television coverage; in 2014, the network entered into a multi-year deal to continue broadcasting the CrossFit Games, and coverage expanded to nine-and-a-half hours on ESPN and ESPN2 by 2015.[36] In 2017, the event began a new broadcast arrangement with CBS Sports, with television coverage on CBS Sports Network, and a total of 40 hours of digital streaming coverage. CrossFit also streamed coverage through Facebook and their website.[37]
While there is wide variability in the way the paleo diet is interpreted,[6] the diet typically includes vegetables, fruits, nuts, roots, and meat and typically excludes foods such as dairy products, grains, sugar, legumes, processed oils, salt, alcohol, or coffee.[1][additional citation(s) needed] The diet is based on avoiding not just processed foods, but rather the foods that humans began eating after the Neolithic Revolution when humans transitioned from hunter-gatherer lifestyles to settled agriculture.[3] The ideas behind the diet can be traced to Walter Voegtlin,[7]:38 and were popularized in the best-selling books of Loren Cordain.[8]

You can see the results, too. In January 2015, the Journal of Nutrition conducted two studies comparing lower-carb and low-fat diets, finding that of the two approaches, going lower carb helped people shave off more visceral fat, a type of belly fat that hugs organs and is linked to disease. (3) A meta-analysis published in June 2016 in Obesity Reviews also concluded that in obese people, a low-carb diet reduced fat over the course of a year (but not body weight), with the greatest benefits seen in a very-low-carb diet. (4)
The digestive abilities of anatomically modern humans, however, are different from those of Paleolithic humans, which undermines the diet's core premise.[4] During the 2.6 million year-long Paleolithic era, the highly variable climate and worldwide spread of human populations meant that humans were, by necessity, nutritionally adaptable. Supporters of the diet mistakenly presuppose that human digestion has remained essentially unchanged over time.[4][5]

I experienced some funky physical symptoms during the first 10 days or so, but this is pretty typical of a Whole30. I would feel great, and then the next day I would feel tired, achy, and bloated. Depending on what your diet was like before you started the Whole30, you’re bound to get hit by some sort of detoxing symptoms. If you’re doing this after eating a lot of sugar and processed food, your symptoms might be a bit more severe. However, the book assures you it’s normal, and it will even out. According to the authors, the bacteria in your gut are shifting and creating a new landscape. Your body is getting used to this new diet of protein and a ton of veggies with the absence of sugar. Things adjust and shift. For me, this meant a couple days of feeling off.

I started seeing a nutritionist, who has started me on a B-12 injection 2 times monthly, and a LCHF diet. He wants me to stay between 20-35 carbs daily for at least 3 months. He says I need to buy ketone strips, to make sure I don’t go into ketoacidosis, however, I am otherwise healthy, and not diabetic. Is this something I need to be overly concerned about? I’m on my 4th day of approx. 25 carbs daily, and other than a slight headache, I feel fine.
The Primal Blueprint Cookbook: Primal, Low Carb, Paleo, Grain-Free, Dairy-Free and Gluten-Free by Mark Sisson and Jennifer Meier. Recipes include: Roasted Leg of Lamb with Herbs and Garlic, Salmon Chowder with Coconut Milk, Tomatoes Stuffed with Ground Bison and Eggs, and Baked Chocolate Custard. Recipes are simple and have limited ingredients. Complaints are the book is stuffed with unnecessary photos and proofreading could have been better, e.g. oven temperatures were left out. And recipes are not truly paleo. Despite what is on the cover dairy is used in some recipes. The Amazon reviews average to 4+ stars.

The idea is that these are the foods that our bodies were designed to eat while many of the heavily processed modern foods that fill our diets today contribute to chronic disease and health problems. Proponents of the diet suggest that a well-planned Paleo diet could lead to improvements in many aspects of health, such as enhanced weight loss and reduced inflammation.

Now, The Whole30 offers a stand-alone, step-by-step plan to break unhealthy habits, reduce cravings, improve digestion, and strengthen your immune system. The Whole30 prepares participants for the program in five easy steps, previews a typical thirty days, teaches the basic meal preparation and cooking skills needed to succeed, and provides a month’s worth of recipes designed to build confidence in the kitchen and inspire the taste buds. Motivating and inspiring with just the right amount of signature tough love, The Whole30 features real-life success stories, an extensive quick-reference FAQ, detailed elimination and reintroduction guidelines, and more than 100 recipes using familiar ingredients, from simple one-pot meals to complete dinner party menus.
The ketogenic (keto) diet, a specific version of low-carb, deserves mention.  Keto diets restrict carbohydrate to induce nutritional ketosis and typically limits carbs to 20-50gms daily.  Restricting carbs to under 50gms induces glycogen depletion and ketone production from the mobilization of fat stored in adipose tissue.  Nutritional ketosis produces ketone bodies, (acetoacetate, acetone, and beta-hydroxybutyrate) and can is measurable as serum or urinary ketones.  Nutritional ketosis generally increases serum ketones to 1mmol/L to 7mmol/L but does not produce metabolic acidosis.  Diabetic ketoacidosis by definition, includes metabolic acidosis, hyperglycemia and serum ketones (generally over 20 mmol/L).[9]

A lifelong habit of learning and engaging in mentally challenging activities seems to keep the brain in shape. Intellectual enrichment and learning stimulate the brain to make more connections, increasing the density of nerve-to-nerve connections. That means the "educated brain" may possess a deeper well of connections and be able to withstand more damage to the brain from a small stroke without causing loss of memory or thinking skills.


A 2015 study in the Journal of the American College of Cardiology found that 76 people who followed the Paleo diet for 60 days (as well as those who followed vegan, Mediterranean and DASH plans for the same length of time) lost an average of 9 pounds and showed improvement in their blood pressure levels. The effects were greatest and most sustained among people who also attended regular diet support group meetings.
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