Marks Daily Apple
Serving up health and fitness insights (daily, of course) with a side of irreverence.

Archive for the ‘ Nutrition ’ Category

30 Mar

The Question of Seasonality in Fructose Availability

Let’s continue the discussion from last time. Again, I apologize for any meandering. This is a big topic, and I think it helps to leave no stone unturned. Seasonal eating is currently pretty popular, perhaps even trendy in some circles. You’ve got the locavores, folks who only dine on meat and produce grown and harvested […]

15 Mar

Dear Mark: Nuts and Omega-6s

Nuts have gotten a surprising amount of flack as of late. Many nuts have a fairly high PUFA content, and most of that PUFA is Omega-6, which is the bad one. It’s easily oxidized, highly unstable for cooking, usually rancid on the shelf, and, thanks to government farm subsidies and public hysteria over animal fat, […]

15 Feb

Dear Mark: Raw Eggs

A glassful of raw eggs incites mixed reactions for many of us. It’s routine for some and revulsion for others. Commonly associated with bodybuilders and boxers (the Rocky scene) who want to bulk up, a lot of folks who fit neither category include them on a regular basis for simple nutritional reasons. However, there’s more […]

4 Feb

A Primal Primer: Whey Protein

We’re long overdue for a good, solid post on whey protein. I include it in my Primal Fuel shake mix, a number of readers asked about it after last week’s dairy post, and it’s one of the more commonly used nutritional supplements around, so it’s a no-brainer of a post. What is Whey? Whey is […]

28 Jan

The Definitive Guide to Dairy

I knew going in this was going to be a tricky one, because dairy, especially raw and/or fermented full-fat dairy, resides in a Primal gray area. The literature, the evolutionary reasoning, and the anecdotal reports all unanimously point to sugar, cereal grains and legumes, processed foods, and industrial vegetable oils as being net negatives on […]

25 Jan

Dear Mark: PUFAs

In last week’s Dear Mark I took up a reader question about trans fats. While we’re on the fat subject, I figured it was a good time to keep the conversation going and cover an email I got last week about polyunsaturated fatty acids (PUFAs). Thanks to Brent for this one. I loved your posts […]

20 Jan

The Definitive Guide to Oils

Before you can hope to make it as a speculator and start slingin’ barrels for big money, you’ve got to understand exactly what’s gushing forth from the earth’s crust. Yes, that’s right – it doesn’t start and stop just with crude, and there’s far more to oil than dinosaur bones. In fact, most experts agree […]

19 Jan

The Wonderful World of Coconut Products

Coconut seems to have a special place in Primal hearts. Judging from the forums, people are pretty taken with the fatty pseudo-nut and they’re always interested in new ways to consume the stuff. For some who abstain from dairy completely, coconut products make a great replacement for creams and butters. Others see the evidence from […]

18 Jan

Dear Mark: Trans Fat

The message has been circulating for a few years now: trans fats = bad. It’s one of the rare times I find myself in alignment with conventional nutritional guidelines. (Of course, it’s not so simple, but I’ll unpack that one in a moment.) The fact is, manufacturers have done a better job sending the anti-trans […]

11 Jan

Dear Mark: How Primal is Hemp?

As I’ve always said, part of the Primal Blueprint’s power is its continuing evaluation and evolution. As a broad lens defined by tried and true physiological principles, the PB can effectively assess and (when appropriate) seamlessly accommodate “new”/rediscovered practices and foods. Readers send me questions all the time that help redefine or further confirm the […]

29 Dec

Is Canned Food Safe to Eat?

Ideally, The Primal Blueprint is a living, breathing document. Whether it’s emails from insightful readers or random articles from my RSS feed casting a subject in a completely different light, or even personal N=1 revelations spurring a meticulous re-examination of previously-held stances, I’ll often find myself rethinking certain aspects of the PB. They usually hold […]

24 Dec

Is Organic All It’s Cracked Up to Be?

Several months back, a major study comparing the nutritional value of organic food to conventional food made the rounds. Organic food, it found, was “no healthier” than ordinary food. There were no significant “differences in nutrient content,” and the study’s authors found “no evidence to support the selection of organic over conventionally produced foods on […]

21 Dec

Dear Mark: Arachidonic Acid

I spend a lot of time highlighting the importance of omega-3 fatty acids and downplaying their poly cohorts, omega-6s. Of course, I do this for good reason. Western dietary patterns and modern agricultural practices have made omega-3s harder to come by and blown any semblance of omega-3/omega-6 dietary balance out of the water. As maligned […]

10 Dec

The Definitive Guide to Fermented Foods

Life in the Paleolithic wasn’t a pristine, sterile existence. There were no fun-sized hand sanitizers or pasteurized eggs. Meat didn’t come shrink-wrapped, and it wasn’t stored in sub-40 degree temperature to prevent spoilage. I’ve never seen evidence of vegetable cleaning liquid containers at prehistoric dig sites, nor have any tiny tubes of antibiotic ointment been […]

16 Nov

Dear Mark: Primal Trail Food

Just when you feel you’ve made the successful transition to Primal eating in everyday life, you stumble upon a scenario that sends you back to the drawing board. For some people, it’s the holidays. For others, it’s travel. For reader Brian, it’s regular camping trips into the real “primal environment”: Dear Mark, Each summer and […]

9 Nov

Dear Mark: Your Brain on Junk Food

Clearly, we eat not just to fill our stomachs but to satisfy a whole host of biochemical drives. The brain is built to incentivize our efforts not just with the quieting of hunger pangs but the kick-starting of an intricate hormonal “reward” system. When it comes to diet, I’ve always said what nurtures the body […]

5 Nov

Why Grains Are Unhealthy

I find that grain bashing makes for a tasty, but ultimately unsatisfying meal. You all know how much I love doing it, though. But no matter how often I sit down to dine on the stuff (and I’ve done it with great gusto in the past), I always leave the table feeling like I left […]

31 Oct

Trick or Treat: Yea or Nay?

There are menacing spirits about tonight. Truly horrifying, ghastly ghouls in shiny, enticing packages. Resting ominously in bowls, baskets and bags, they await their jolly little prey. With the power of the Pied Piper, they will lead all manner of small witches, scarecrows, Spidermen, vampires, princesses, cowboys and gypsies toward ebullient, screeching glee, then sugar […]

20 Oct

How to Maintain Muscle While Losing Weight

“Losing weight” is insufficient terminology. It’s too vague, too unspecific. When a person sets out to lose weight, just what are they trying to lose? Bone density? Muscle mass? Organ weight? Of course not – they’re generally looking to lose adipose tissue. People want to burn body fat, and they want to do it without […]

12 Oct

Dear Mark: How to Stay Healthy in College

College students and healthy lifestyle. On the one hand it seems like the ultimate contradiction. Pizza boxes, Red Bull cans, Doritos bags, beer bottles, Captain Crunch at every cafeteria meal. They’re as much a cultural vision of college as John Belushi’s sweatshirt. If there were a Primal no man’s land, you’d think the residential campus […]

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