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

Archive for the ‘ Fat ’ Category

2 May

Dear Mark: Is Caloric Density the Answer?, Fat Starving the Brain, and High-Intensity Primal Endurance Training

For today’s edition of Dear Mark, I’m answering three questions from readers. First, should the primary focus in constructing a healthy diet be caloric density? Is the key to weight loss and optimal health the consumption of bulky, low-calorie foods? Next, a new study seems to show that fat “starves the brain.” Is this true? […]

25 Apr

Dear Mark: Saturated Fat Jet Lag, Collagenous Amino Acids, and Different Cutting Diets

For today’s edition of Dear Mark, I’m answering three questions. The first concerns a recent study seeming to show that saturated fat disrupts our circadian rhythms, especially saturated fat at the wrong time of day. Should we—yet again—trade butter for soybean oil? Second, how necessary are the amino acids found in collagen? Aren’t they found […]

13 Apr

12 Surprising Things You Can Do With Avocado Oil

If it were up to me, I’d have a steady supply of perfect, ripe avocados on hand. They’d have no blemishes, no bruising, no weird soft spots, no stringy veins running through. Every avocado would be ripe and somehow manage to stand up to rough handling. They wouldn’t be watery or mushy—just creamy. Life would […]

2 Mar

Top 14 Ways to Increase Your Metabolism

On a literal level, your metabolic rate describes how much energy you expend to conduct daily physiological functions. This has many practical ramifications, however, because your metabolic rate also influences how you feel, how many calories you burn, how many calories you can eat without gaining weight, your libido, your fertility, your cold tolerance, how much […]

8 Jun

Dear Mark: Nutrient Deficiencies and Fatigue, Anxiety, CLA Supplements, and Plant-Derived Oils

For today’s edition of Dear Mark, I’m answering four questions from readers. First up, are there any specific nutrient deficiencies that can contribute to fatigue? Which minerals and vitamins should you shore up when experiencing malaise? Next, what’s the deal with anxiety? Does it serve an evolutionary purpose, or is it just a pathological condition? […]

5 Mar

Is Constant Ketosis Necessary – Or Even Desirable?

Every day, I get links to interesting papers. It’s hard not to when thousands of new studies are published every day and thousands of readers deliver the best ones to my inbox. And while I enjoy thumbing through the links simply for curiosity’s sake, they can also seed new ideas that lead to research rabbit holes […]

10 Feb

What’s Messing with Your Appetite? Three Possibilities.

Although a few weeks ago I explained how “stop eating so much” is bad weight loss advice and how “calories in, calories out” tells us very little about the cause of obesity, the fact remains: for whatever reason (and there are many), people who gain weight have eaten more energy than they’ve expended. Something is […]

17 Nov

Dear Mark: Butter and Coagulation; Early Weaning and Growth Charts

For today’s edition of Dear Mark, we’ve got a quick two-parter. First up, I discuss the results of a 2008 study into the effect of high acute intakes of various fat sources on postprandial (i.e. after eating) blood coagulation markers. Since butter came out looking not so hot, a reader wonders whether this should impact […]

15 Sep

Dear Mark: Wife’s Weight Gain; Upper Arm Fat

For today’s edition of Dear Mark, we’ve got a two-parter. First up is a question from a reader whose wife has gained weight following the Primal Blueprint way of eating and after completing a Whole30. She seems to be doing everything right, in other words. What could explain the weight gain? Next, I discuss what […]

6 Aug

Why the Omega-3/Omega-6 Ratio May Not Matter After All

When it comes to omega-6 fats, the quick and dirty soundbite resonating throughout the ancestral health community has been “omega-6 fats are inflammatory, omega-3s are anti-inflammatory.” Years ago, I wrote a post saying essentially the same thing – that an excessive intake of omega-6s and inadequate intake of omega-3s predispose us to an exaggerated inflammatory […]

17 Jul

9 Signs You Need to Eat More Fat

By now, we all basically agree that fat is an essential nutrient. Certain fats, like linoleic acid and alpha linolenic acid, are physiologically essential because our bodies cannot produce them. Other fats, like those found in extra virgin olive oil and grass-fed butter, are culinarily essential because they make food taste really good (they’re not […]

27 Jan

Dear Mark: Cold Weather Sprint Alternatives, Palm Olein, Podcast Questions, and Dark Circles

For today’s edition of Dear Mark, we’ve got a four-parter. First, I discuss some alternatives to traditional outdoor sprinting for people in cold weather. Just because you can’t go run 100 meter dashes doesn’t mean you can’t get a fantastic sprint workout. Running is unnecessary. Next, I give my take on the suitability of palm olein […]

3 Dec

Should You Be Eating High-Fat Dairy?

One thing that sets the Primal way of eating apart from other ancestral health approaches is our acceptance of dairy fat. Obviously, those people who can’t tolerate dairy shouldn’t eat it, but in my experience a significant portion of the community can handle high-quality, full-fat dairy, especially butter, yogurt, and cheese. We like these foods for many reasons. […]

6 Mar

9 More Reasons You’re Not Losing Weight

A few years back, I wrote an article explaining 17 possible reasons why you’re not losing weight. It was a troubleshooting guide of sorts, aimed at helping people identify some of things they may be doing (or not doing) that’s causing their stalled fat loss. The etiology of obesity and weight gain is multifactorial, and […]

19 Nov

Dear Mark: Wheat and Asthma, Minimalist Winter Shoes, High-Fat Rat Cognition Study, and Sun Exposure Timing

Today’s edition of “Dear Mark” runs the gamut. The topics will be somewhat familiar, since I tackle wheat, minimalist shoes, high-fat diets in the news, and vitamin D, but with interesting spins on each. First, I discuss the link between wheat and asthma. Next, I do a somewhat exhaustive search of the available winter minimalist […]

30 Aug

The Straight Dope on Cholesterol: 10 Things You Need to Know – Part 2

This is a guest post by Peter Attia and is a summary based on a 10-part series of the same name that you can find at The Eating Academy. To read The Straight Dope on Cholesterol: 10 Things You Need to Know – Part 1 click here. To start at the beginning of Peter’s 10-part […]

29 Aug

The Straight Dope on Cholesterol: 10 Things You Need to Know – Part 1

This is a guest post by Peter Attia and is a summary based on a 10-part series of the same name that you can find at The Eating Academy.   To put this summary post and, more importantly, this 10-part series in perspective, let’s examine one of the most pervasive pieces of dietary advice given […]

21 Aug

Gender Differences in Fat Metabolism

A few months ago, I addressed the role gender plays in how we respond to intermittent fasting. That post sparked a great discussion, and I’ve since received a fair number of emails from readers eager to learn other ways in which gender plays a role in our health and nutrition. One email in particular set […]

10 Jul

What Does It Mean to Be Fat-Adapted? – Part 2: Q&A

As I figured it would, last week’s post on fat-adaptation generated a lot of comments and questions. I couldn’t answer all of them (maybe another time), so for today’s post, I tried to collate the most burning questions to arrive at a representative sample. That way I hit the major ones without making this one of […]

2 Jul

Dear Mark: How Much Glucose Does Your Brain Really Need?

We now know that the oft-repeated “your brain only runs on glucose!” is wrong. I’ve mentioned it before, and anyone who’s taken the time to get fat-adapted on a low-carb Primal eating plan intuitively knows that your brain doesn’t need piles of glucose to work, because, well, they’re using their brain to read this sentence. Obviously, […]

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