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Mar 07 2012

Is It Healthier To Eat Like A Caveman?

Photo by Lord Jim

Photo by Lord Jim

“What do you think of the Paleo diet which advocates zero grain consumption?”

The Paleolithic diet is one of the most rapidly growing diet trends of the past several years. Followers of the Paleo diet argue that humans have not evolved to eat agriculture-based foods and can only achieve optimal health by consuming a hunter-gatherer style diet. Thus the Paleo diet is completely devoid of grains and legumes, and also shuns dairy, salt, refined sugar and processed oils. The diet is composed primarily of meats, fish, vegetables, fruits, roots, nuts and seeds.

(The Wikipedia article on the Paleo diet is actually pretty good if you’d like to read up on the details. I particularly like the Opposing views section.)

Like most diets the Paleo diet has a little bit of good science behind it, but also a lot of logical leaps and baseless assumptions. The evolutionary argument that humans are somehow maladapted to agriculture-based diets is particularly unconvincing (resting on many unproven assumptions), yet is the fundamental premise on which the Paleo diet bases its recommendations.

The reasoning behind the Paleo diet is less interesting to me, however, than the impact of the diet itself. Will “eating like a caveman” really help you be healthier?

Possibly, but not necessarily.

The most obvious advantage of the Paleo diet is the lack of processed foods. There is ample evidence that societies on traditional diets boast far better health than those on modern, Western diets–and the hallmark of modern diets is food processing. Paleo diets therefore are low in sugar, refined carbohydrates, trans fats, excess salt and pretty much everything else that leads to “diseases of civilization.”

Paleo diets are also abundant in healthy, nutrient-rich foods such as vegetables, fruits, nuts, fish and meats. I have no doubt that anyone willing to stick to a Paleo eating plan will have a healthy weight and remain virtually free of heart disease, diabetes, hypertension and may even have lower rates of cancer.

But the question still remains, is it necessary to eat Paleo to be healthy?

This is where I take issue with the Paleo philosophy. While a diet completely free of processed foods is undeniably healthy, the Paleo diet goes beyond this and demands considerable sacrifice.

Paleo diets do not allow for any grains or legumes. This pretty much eliminates every traditional cuisine on earth including Japanese, Italian, Indian and Greek. Not only is this a culinary tragedy, it ignores the fact that these cuisines feed some of the world’s healthiest and longest-lived individuals.

Traditional, global diets that exclude highly processed foods but also include grains and legumes have been some of the most successful for health. Diseases of civilization are only problematic in Western cultures where processed foods make up a large proportion of the calories and few whole food are consumed.

Proponents of the Paleo diet argue that it is necessary to eliminate grains and legumes because they contain “antinutrients,” substances that can interfere with the body’s absorption of other important vitamins, minerals and proteins. However, well-nourished individuals who eat a varied diet of unprocessed foods (including grains and legumes) are not nutrient deficient and are generally healthy.

Given that it is possible to thrive on a diet that includes some grains, legumes and even small amounts of processed foods, one must question if giving up the culinary joys of travel and global cuisine are really worth the sacrifice.

In my experience, food substitutions and modified recipes designed to mimic traditional meals can sometimes be tasty but can never replace true authenticity.

Another contention I have with the Paleo diet is the assumption that the same eating patterns will work for everyone. People’s lives differ in countless ways. We each have different levels of daily activity, demands on our time and food preferences. We also have different genetic backgrounds, which can result in significant differences in metabolism and hormone levels. These individual variations make dietary needs different for each of us.

Because of our individual differences, there is undoubtedly a percentage of the population that thrives on the Paleo diet and finds it easy to stick to and achieve results. Hooray! However there may also be a segment of the population (myself included) that finds living without grains and legumes to be chronically unsatisfying and unsustainable.

Try telling a foodie they can never eat cheese or drink wine again and see how far you get pitching a Paleo diet.

If you currently eat a typical Western diet with little variety and many processed foods, tend to have better success following rigid diet plans, and have no qualms about giving up or modifying traditional meals to meet your dietary demands, then you might have luck following the Paleo diet. However there is no reason to believe it is the only path to good health.

The best diet is the one that works for you. Finding a healthstyle you can embrace and enjoy is essential if you want to build a lifetime of healthy habits.

Do you follow a Paleo diet? What do you think?

Originally published February 22, 2010.

136 responses so far

Feb 08 2012

My Favorite Healthy Eating Blogs & Resources (what are yours?)

Filed under Random

Photo by ssoosay

I don’t know the exact numbers, but something like a gazillion of you have asked me for a list of my favorite healthy food and science websites.

Back in the day I used to keep a running blogroll, but it took too much work to maintain and there are politics (and lots of email spam) involved in having a whole page of Summer Tomato dedicated to promoting other sites, so I decided to do away with it.

But questions keep coming from people wanting to know where I find all the stories for my Friday link love posts, my preferred alternative to a permanent blogroll. The unfortunate answer is that I subscribe to an extraordinary number of blogs (you’d probably cry if you saw what I go through every Thursday), and there are too many sites and I edit the list too often for it to be useful for most of you.

That said, I’d be lying if I told you I didn’t have my favorites.

Sadly one of those favorites, the news feed at Food52 (formerly Food News Journal), recently decided to hang up the towel and stopped sending out their daily food links. It was an amazing resource and I’m totally heartbroken. But as a result I’m also now looking for a few more excellent food and health news feeds to supplement my weekly reading, and I need your help.

Below I’ve shared my favorite sites and resources, in no particular order, that I rely on regularly for top-quality content. Though I subscribe to many more than are listed here (and I still get a lot of content from Twitter, Digg, etc.), these are the ones that consistently provide share-worthy content on the web and I would never post on Friday without flipping through them first. I respect these sites tremendously and am looking for more publications of this caliber to add to my collection.

If you think there’s anything I can’t live without, please leave it in the comments and I’ll check it out. Thanks in advance for your help!

Health & Science News

Science Daily – Health and Medicine

Medline

New York Times – Health

LA Times – Booster Shots

Health Blogs

Nutrition Over Easy – Monica Reinagel

Weighty Matters – Yoni Freedhoff

Whole Health Source – Stephan Guyenet

Raw Food SOS – Denise Minger

Dr. Weil’s Daily Blog – Andrew Weil

Mark’s Daily Apple – Mark Sisson

Green Blogs

Treehugger

Ecosalon

Food Safety & Politics

On Food – Mark Bittman

Food Politics – Marion Nestle

Marler Blog – Bill Marler

Grist – Food

Healthy Recipe Blogs

101 Cookbooks

Smitten Kitchen

David Lebovitz

Ruhlman

Simply Recipes

Ruth Reichl

Jenn Cuisine

Sprouted Kitchen

What are you reading?

22 responses so far

Jan 18 2012

10 Tips To Save Money While Eating Healthy

Collards, Carrots and Lentils

Collards, Carrots and Lentils (click image for recipe)

Most people consider it common knowledge that healthy food is expensive and unhealthy food is cheap—that’s why we’re all so fat, right?

But for most people it does not need to be this way. Since I upgraded my healthstyle not only have I lost weight and become healthier, I have also managed to save more money.

How?

In a nut shell, I started cooking more at home.

It is a sad reflection on our culture that so many people rely on fast food for their daily sustenance, and my heart goes out to those who truly cannot afford better. But I contend that many of the bad decisions we make about food each day are more an issue of (perceived) convenience than price.

Last I checked burritos in San Francisco averaged over $5. And if you have properly set up your kitchen you will find it actually takes less time to cook a healthy meal than it does to place and fill your order at El Farolito.

Every penny counts in this brutal economy. Here are a few tricks you can use to save a buck and get a little healthier too.

10 Tips For Eating Healthy On A Budget

  • Cook at home The most important change I made to save money was to turn cooking at home into my default option rather than rely on neighborhood eateries as my go-to cop out. Eating out is expensive, no matter which way you cut it.
  • Shop on weekends If you already have fresh food in the fridge you will be more motivated to cook for yourself instead of going out and spending money. Make the habit of buying food ahead of time and you won’t be as tempted to waste money going out.
  • Shop seasonally When choosing what to eat, taste trumps health 90% of the time. (That’s why you rolled your eyes when I suggested you eat fewer burritos.) If you really want to start eating healthy you must want to eat vegetables, and that will only happen if the ones you buy taste delicious. Seasonal, farm fresh produce can completely change how you feel about vegetables and fruits—it also tends to be the best deal in the produce section.
  • Shop at the farmers market In my experience the best tasting produce in a chain grocery store is at Whole Foods. But if you have ever been shopping there you know what a dent it can put in your wallet (this does not apply to their non-fresh items, which are competitively priced and often cheaper than other stores). Rather than handing over your Whole Paycheck or settling for less than inspiring options at Safeway, do your weekly produce shopping at your local farmers market. If you shop intelligently (see below) you can get 2 meals for the cost of one burrito.
  • Focus on leafy greens Leafy greens like kale, chard, collards, spinach and broccoli are some of the most nutritious, least expensive things you can buy. And this is true at any grocery store, not just the farmers market. Frequently, half a bunch of kale with some beans, grains and herbs is my entire dinner and costs around $1.50. It also takes less than 15 minutes to prepare. Can you beat that?
  • Buy in bulk Canned beans are fine, but dried beans taste better and are way cheaper. Grains from the bulk bins at your local health food store are only pennies per serving. Cook these staples in large batches and save them in your freezer for cheap, quick and nutritious food anytime. This is also true of lentils. Just add some greens and you’re good to go.
  • Eat less meat This is probably the easiest way to save money. Whether at the grocery store or at restaurants meat is always the most expensive thing on the menu. I do not advocate a vegetarian diet, but limiting meat to once or twice a week is an easy way to cut back on both calories and expenses. If you are worried about protein (you needn’t be) you can eat beans, eggs and lentils instead.
  • Use fish from cans Fish is an important part of a healthy diet, but fresh fish can be expensive (especially the wild sustainable kinds). Canned salmon, sardines (boneless, skinless), smoked mackerel and anchovies are inexpensive alternatives for protein, vitamin D and omega-3 fatty acids.
  • Make fruit dessert If you think the farmers market is expensive my bet is you spend most of your money on fruits. I am the first to admit that fruit can be very expensive, especially summertime berries and stone fruits. While I do recommend you invest in some high-quality farmers market fruit, it will be easier on your wallet if you consider fruit a treat.
  • Think long term I am not arguing that buying every single food item at the farmers market is the cheapest way to shop, but it is almost certainly the healthiest. Our hedonistic tendencies may incline us toward cheap, greasy foods but you should consider what you are really paying for in the long run. Poor diet can be attributed to most cases of heart disease, diabetes, stroke, cancer and a generally difficult, painful life. And I probably don’t need to convince you that a farm fresh salad costs less than a hospital trip and a lifetime of medication. Healthy eating doesn’t have to be expensive, but unhealthy eating can cost you your life.

What are your favorite money saving tips for healthy eating?

This post was originally published on May 20, 2009.

58 responses so far

Dec 19 2011

Book Review: Folks, This Ain’t Normal

Filed under Random,Reviews

Joel Salatin is one of the most interesting people I have ever met. Self-described as a “Christian-libertarian-environmentalist-capitalist-lunatic-farmer,” you’re probably more familiar with him as the “beyond organic” owner of Polyface Farm featured in Michael Pollan’s landmark book The Omnivore’s Dilemma and the documentary Food, Inc. (note: if you haven’t read/watched those do so immediately).

I sat down with Joel recently to talk about his latest book, Folks, This Ain’t Normal. On the outside, Joel does not appear abnormal in the least. He was well dressed, well spoken, extremely polite and fiercely intelligent—a gentleman in every way. But once you get him talking you quickly see that his ideas make him an anomaly in modern society, not because they are far-fetched, but because they come from so many different sides of the political and societal spectrums. People are rarely this thoughtful and well-rounded, and after finishing the book this is the point I keep coming back to.

You are almost certain to disagree with some of Joel’s ideas. Folks, This Ain’t Normal runs the gamut in controversial topics. He touches on politics, religion, the environment (including global warming), sustainable agriculture, big business, peak oil, taxes, protectionism, meat eating, government regulation, women’s role in farming (he told me to my face he’s “sexist”) and likely a few more subjects that will get your blood boiling. But this is not your usual liberal-conservative political banter.

Joel is a thinker, and just a few pages into the book it is clear that he has a more intimate understanding of these topics than most experts and advocates could even dream of. Folks, This Ain’t Normal is by far the best ecology lesson I’ve ever had, and I try to be a responsible person and keep up on sustainable food issues. While most people discuss this subject academically, Joel actually knows how an ecosystem works, because he works with one every day back at Polyface Farm. For example, despite the cries of some environmentalists to do away with cows and replace them with tofu (aka soy beans), Joel explains in detail why a tillage-based crop like soy depletes soil, while a grass-based system of herbivore feeding builds and protects soil, and is necessary for environmental sustainability.

Food politics is another topic where Joel’s position runs flatly against conventional wisdom. Most of us in the food movement agree that Monsanto is the devil, and Joel is no different. But while most foodists lean liberal and think more regulation is the answer, Joel explains why those very regulations are what protect the big companies and put small farms like his out of business (exactly what Monsanto wants). So contrary to what you might guess, his position on this topic is strictly laissez faire.

As mentioned above, there’s almost certainly something that Joel writes that will offend you. (Yes, he takes more than a few shots at urban farmers market goers with award winning poodles—Joel, in my defense I at least use my fancy kitchen and make my own sauerkraut). But I’ll argue that this is precisely why you should read the book. When crafted by a thoughtful, intelligent person, opposing viewpoints are among the most valuable thing in a thinking person’s arsenal. Even if he doesn’t convince you to change your opinion, at least it forces you to question your beliefs, think a little harder and refine your position. There are no worthwhile topics that don’t have valuable insights from both sides of the fence. Thinking is good for you, and it is something that is sadly laking in our current political environment.

In this spirit, the types of people who would certainly benefit from reading Folks, This Ain’t Normal include: vegetarians, carnivores, environmentalists, McDonald’s patrons, farmers market shoppers, Chipotle patrons, Tea Partiers, liberals, Christians, scientists, atheists, politicians, big farmers, small farmers, city folks, country folks, the 99% and the 1%. In short, everyone who eats.

What Joel wants us to understand is that it isn’t him who is historically abnormal. What’s not normal is having no idea where food and water come from, nor how to keep them healthy and safe. In other words, it is the rest of us who have lost the basic life skills necessary for survival. This, he argues, is what isn’t normal.

Grade: A

Note: The audio version of the book is particularly wonderful, since Joel reads it himself.

What’s your normal?


8 responses so far

Dec 14 2011

Book Review: Wheat Belly

Filed under Random,Reviews

I had no idea what to expect from Wheat Belly, the new book by Dr. William Davis. Several of you had asked me about it so I picked it up, not knowing much about the author or its content.

Davis is apparently a medical doctor who treats patients for heart disease and other ailments using a wheat-free diet. Though this isn’t particularly revolutionary I was immediately intrigued by the first chapter of Wheat Belly, which gives a detailed explanation of how modern wheat is different both physically and genetically from the wheat “our grandparents grew up eating.”

How interesting!

He explains that selective breeding and genetic manipulation to increase wheat yield have dramatically changed the chromosome number of modern wheat compared to earlier versions grown before the 1950s. This, he claims, fundamentally changed the molecular properties of wheat and we are supposedly not yet adapted to the new product.

I haven’t gone through all the plant biology to determine if any of these claims hold water, but the premise is fascinating. If modern wheat were really a primary cause of the health issues plaguing Western society, not only would gluten be off the hook (once I started reading I thought this was going to be another gluten-free diet book), but all other grains would be back on the table, even older versions of wheat.

Had Wheat Belly gone on to further explore the differences between modern and traditional wheat and, most importantly, how they affect people differently, then this could have been a groundbreaking book. Unfortunately, that isn’t what this book is really about.

Davis doesn’t present a shred of evidence that modern wheat has a worse (or even different) impact on human health than pre-industrial wheat. The only anecdotal case he makes is that he personally found a farmer who grows traditional wheat, made a loaf of bread, ate it himself and seemed to be fine. This is not science.

Instead the rest of the book focuses on how his patients have benefited from removing wheat (presumably modern) from their diets, a premise that is much easier to swallow but brings us right back to Dr. Atkins. Wheat is the most abundant refined carbohydrate, and refined carbohydrates are almost certainly the biggest contributor to human health problems on the planet. Is it any wonder that eliminating the major one—not to mention the ingredient that is most often paired with sugar—would make people feel better?

When push comes to shove, the bulk of Davis’ argument is not about modern wheat at all, but about the Glycemic Index (GI) of foods (he’s sure to point out that the GI of wheat is even higher than sugar). His prescription is not just wheat elimination or even gluten elimination, but removal of all grains, sugars and starchy foods like potatoes and even beans.

Haven’t I heard this somewhere before?

To his credit, Davis promotes a relatively healthy diet. He discourages the use of gluten-free flour substitutes because for the most part they are just another form of unhealthy food. Though these ingredients can obviously play a role in the lives of people with serious gluten sensitivities, I agree that they do not qualify as health food just because they do not contain gluten. But extrapolating from processed carbohydrates to nutritious whole foods like beans and potatoes that most of us can eat without increasing risk of disease or obesity is less than helpful.

But all my criticisms aside, I think there are some valuable messages in Wheat Belly worth considering. Gluten (and maybe just modern wheat, who knows) is known to be one of the most inflammatory substances consumed by humans and many people would likely benefit from cutting it out. Davis recommends eliminating wheat for 4-8 weeks to see if there is an improvement in symptoms.

If you regularly struggle with any of the following issues, a temporary gluten-free experiment may be worth it for you:

  • fatigue
  • depression
  • arthritis
  • irritable bowel syndrome
  • autoimmune problems
  • attention deficit disorder
  • hair loss
  • bone loss
  • anemia

And there are probably many more. The nice thing is that while eliminating gluten for 4-8 weeks does take some effort, it is still a relatively simple, non-invasive way to troubleshoot health problems and potentially improve your life dramatically. If nothing improves, you can always go back to your bagels and Cheerios. It is important to keep in mind though, that many symptoms require an extended period without gluten before improvement is seen.

To summarize, I really wish Davis had done a better job of convincing me that it is modern wheat and not processed foods in general that is particularly problematic in the Western diet. From that perspective, this book is just another Atkins diet with a better title. That said, I do think Davis does a good job of illustrating how many ways patients could benefit from a temporary wheat elimination. The prescription is easy and harmless, and definitely worth trying if you have health problems you and your doctor can’t seem to solve.

Grade: B-

What did you think of Wheat Belly?

38 responses so far

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