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

Archive for the ‘ Prevention ’ Category

13 Jul

Dust Mites, Off-Gassing and What to Do With Your Mattress

Dust mites are everywhere. They are true survivors, able to make it in virtually all climates and at any altitude. They thrive, however, in our homes, especially bedrooms, enjoying the humidity generated by all the breathing, perspiring, and drooling we do at night and feeding on all the skin flakes we produce. For these tiny […]

9 Jul

A Primal Primer: Iodine

Yesterday I mentioned that sea vegetables are a great source of iodine. “But what is iodine?” many emailers asked. Well, dear friends, iodine is elemental. Let’s take a trip through the land of iodine to learn what it is, what it does for the human body and whether you should make an effort to get […]

16 Jun

Primal Advice for Acne Sufferers

Included among last week’s “Ask Me Anything” responses were several requests for a Primal commentary on acne. A lot of people have asked for this kind of post over the years. The fact is, it’s a great question. Acne is a common problem that gives too many people too much grief. Our medical establishment’s prescription […]

15 Jun

Vitamin D: Loose Ends

Okay, I’ll admit it. I may have spoken out of turn a couple week’s ago when I tried to completely cover vitamin D in a mere three posts (Deconstructing Vitamin D, Vitamin D: Sun Exposure, Supplementation and Doses, Vitamin D: Confounding Factors). A bunch of questions popped up in the comment boards – so here’s […]

3 Jun

Vitamin D: Confounding Factors

Yesterday I recommended 4000 IU of vitamin D each day as a good starting point for most people. Though, it’s difficult – nay, impossible – to provide a perfect, universal prescription for vitamin D3 intake. People, and their lifestyle behaviors and environmental conditions are just too different. It’s like with diet. Everyone does well with […]

2 Jun

Vitamin D: Sun Exposure, Supplementation and Doses

From the presence of vitamin D receptors in our cells and vitamin D factories in our epidermis, along with the central role vitamin D plays in calcium metabolism, immunity, and gene expression, it’s pretty clear that having adequate vitamin D is an essential component of being a healthy, successful homo sapien. And yet, many health […]

20 May

The Importance of Shoulder Mobility and Scapular Stability

If you’ve been following my series on joint mobility you’ll know that I’ve already covered how to improve and maintain joint mobility for the hips, thoracic spine, and ankles and wrists. Today and tomorrow I’ll be going over the shoulder. The shoulder is a tricky joint because it has to provide adequate stability while maintaining […]

19 May

The Power of Touch

The largest organ on our body is the skin. Its protective layers guard our muscles, bones, internal organs, and ligaments, while its active function results in the most fundamental of our five senses – that of touch. For all our focus on maintaining optimal organ function through diet, exercise, and lifestyle, could it be that […]

13 May

The Importance of Wrist and Ankle Mobility

How mobile are your wrists and ankles? They’re the primary hinges for our two major sets of extremities – hands and feet – and yet they often go neglected. They’re two of the most common sites of debilitating pain and acute injury, and yet people do little else to correct the problem than tightening the […]

6 May

The Importance of Thoracic Spine Mobility

Do your shoulders slump and round when you walk, sit, or stand? Do you have trouble keeping your chest up when squatting under a bar or lifting heavy things off the ground? Do you get lower back or neck pain when doing twisting or rotational movements? Have you resigned yourself to living with that nagging […]

4 May

Putting Out the Fire: Gut Flora and the Inflammatory Cycle

It’s funny. Once you realize the relationship between nutrition, disease, health, and metabolism is complicated, complex, and completely interdependent, things somehow get a bit simpler. Everything is connected to everything else. Chronic stress begets chronic inflammation, which chronically elevates cortisol, which induces insulin resistance and belly fat accumulation. Celiacs are usually intolerant of casein, too. […]

29 Apr

The Importance of Mobility: The Hips

People are exceedingly mobile these days. We can jet halfway across the world at a moment’s notice, check email on our phones, hop in the car and be in another state in five hours, conduct business from anywhere, transfer schools, and shave while reading the paper on the morning commute. Social mobility, financial mobility, spatial […]

27 Apr

Gut Flora and Your Healthy Immune System

Last week, I discussed the importance of gut flora in the digestion of food while briefly touching on its role in early immunity, including the development of asthma and eczema – both of which are immune issues that appear to be exacerbated or caused by disrupted gut flora in children. But it goes much further […]

26 Apr

Dear Mark: Seasonal Allergies

By numerous accounts, this spring has been the most brutal in years for seasonal allergy sufferers. (Do I see some nodding heads out there?) As much as everyone looks forward to spring, some folks grit their teeth for several weeks or live on a steady dose of allergy pills. I always get questions this time […]

23 Mar

How-to Guide: Standing at Work

Besides stuff like tribal warfare, cannibalism, and high infant mortality, it seems like most any divergence from our ancestral norms is ultimately detrimental, or at least problematic. Nutrition is an obvious one, along with sunlight, sleep, and exercise. The mainstream media is even beginning to question the superiority of modern footwear. And then there’s the […]

26 Feb

How to Choose a Safe Water Bottle

I’ve made my stance on bottled water quite clear before, but I’ll go ahead and reiterate: bottled water is a joke. It’s completely unnecessary, unless you’re in a nation with unsafe water quality, and the plastic bottles make for excellent landfill fodder. You could reuse the bottles, but then you’ve gotta worry about the plastic […]

7 Jan

Assessing Sanitizers: Cleaning Up the Confusion

If you believe the ads, we live in a squalid hotbed of menacing microbes. Evil germs are everywhere and out to get us – especially the innocent, well-dressed children playing nearby. The smart ones among us, the marketers tell us, navigate this ominous world armed with the right sanitizing defense. Even the grimiest restroom, 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 […]

2 Dec

Environmental Toxins and Gene Expression

It’s the heart of the Primal Blueprint: understanding that our lifestyle factors direct influence the expression of our genetic code. While the DNA itself is set, the structure fixed, that’s hardly the end of the story – our story. How we live – even where we live – holds significant sway over the final picture. […]

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