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

Archive for the ‘ Carbs ’ 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? […]

4 Apr

Dear Mark: Do I Need to Eat More, Testosterone Levels, HRV and Carbs

For today’s edition of Dear Mark, I’m answering three reader questions. First, if things are going well on a relatively low-calorie intake, should you just keep on keepin’ on or should you increase food intake to “get ahead” of your needs? Next, what’s the deal with a study showing a high-carb diet is better for […]

23 Mar

Should You Sleep-Low to Boost Performance?

Thought experiment time. Say you train hard, hard enough to deplete a signifiant amount of glycogen. Your muscles are empty, sensitive to the effects of insulin, and screaming for a couple potatoes to refill glycogen. What do you do? In most circles, the answer is to eat those potatoes and refill those glycogen stores. And why […]

21 Mar

Dear Mark: Bodyweight with Weights; Glycemic Index Versus Load

For today’s edition of Dear Mark, I’m answering a pair of questions from readers. First comes from Gaspare, who heard me talking on Joe Rogan’s podcast in January and wonders whether bodyweight training and weight training can complement each other. It turns out they can. Then, I discuss glycemic index, glycemic load, how foods can have […]

23 Dec

8 Reasons Why Low-Carb Diets Actually Work

The popular story of how low-carb diets work goes something like this: Reducing your carbohydrate intake lowers your insulin levels. Since insulin keeps fat locked into adipose tissue, lowering insulin can increase the amount of fat released to be burned for energy. For the portion of the overweight/obese population with insulin resistance and chronically-elevated insulin […]

7 Dec

Dear Mark: Foods for a One-Year-Old, Vegan to Primal, and Low-Carb Failing Fibromyalgia

For today’s edition of Dear Mark, I’m answering three reader questions. The first comes from Chris, who’s a little worried his one-year-old isn’t eating a wide enough variety of foods. As it turns out, he doesn’t need to worry, though I do offer a few suggestions for foods to include or offer. Next, how should […]

28 Sep

Dear Mark: Lead in Crock Pots, Norovirus in Smoked Oysters, and Creatine and Carbs

For today’s edition of Dear Mark, I’m answering three questions from readers. First, what’s the deal with lead in crock pots? Some say lead leaches into the food when we cook with crock pots, while others aren’t so sure. And if the leaching of lead from crock pot ceramics into our food is, indeed, a […]

7 Sep

Dear Mark: Ketosis and Cancer, Probiotic Dosing Patterns

For today’s edition of Dear Mark, I’m answering two questions. First up, is the ketogenic diet an effective cancer treatment? There’s a lot of hype in the media and online world about ketosis, but what does the research really say? Then, I discuss a few different probiotic dosing patterns. Should you take them every day? […]

31 Aug

Dear Mark: Sun Aging Skin, Veggies as Carbs, and What Breaks a Fast

For today’s edition of Dear Mark, I’m answering three questions. First up comes from Carlos, who is worried about the effect of sun exposure on skin aging. Is the type of sun exposure I recommend good for vitamin D levels but bad for the health and appearance of skin? Second, how can someone eat all the vegetables […]

24 Aug

Dear Mark: Anti-Paleo Guardian Column (Plus, Did Big Brains Need Carbs?)

For today’s edition of Dear Mark, I’m answering one question. First up is the latest anti-paleo piece of clickbait, this time from the Guardian. Apparently the ancestral health movement has had a really bad year or something, and we’re barely hanging on after being dealt a series of devastating blows from the scientific community. Will […]

13 Jul

Dear Mark: Ketosis and Testosterone, Dehydration Hormesis, and Isomalto-Oligosaccharides

For today’s edition of Dear Mark, I’m answering three questions. The first one concerns a potentially combative and controversial topic: ketogenic diets. What’s the deal with their effect on testosterone? You can find keto anecdotes across the web both inspiring and flaccid, but what, if anything, does the science say? Next, might there be a way […]

18 May

Dear Mark: Sugar for Stress Relief, and Weight Loss Releasing Toxins

For today’s edition of Dear Mark, I’m answering two questions. First, a new study out is one of the first (and maybe only) to show that acute sugar consumption can reduce the normal cortisol increase we experience in times of stress. Interesting stuff, eh? Find out whether I think this is a good thing, a […]

28 Apr

Do Low-Carb Diets Cause Insulin Resistance?

A few weeks back in the “How to Improve Your Insulin Sensitivity” post, I apparently dropped a bit of a bombshell: that very low carb diets can induce insulin resistance. Many of you wrote to me asking about the effects of low-carb dieting on insulin sensitivity and wondering whether you should begin eating more carbohydrates […]

15 Apr

How Much Sugar Is Recommended Per Day?

By now, American exceptionalism is a universally-accepted truism. Like dogs over cats and Star Wars over Star Trek, it’s simple fact that America is qualitatively different than other nations. Some would say “superior,” but I think modesty is more becoming of a nation of our stature, providence, and history. Why else would extraterrestrials decide to […]

1 Apr

25 Ways to Improve Your Insulin Sensitivity

Insulin does a lot of important things for us. It pulls glucose from the blood and fritters it away into our cells to be burned for energy or stored as glycogen. It prevents hyperglycemic toxicity to neurons, pancreatic cells, the arterial walls and the generation of excessive levels of reactive oxygen species. It even promotes muscle […]

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 […]

2 Mar

Dear Mark: Peripheral Neuropathy, Primal Compromises for Love, and Carbs in Ketosis

For this week’s edition of Dear Mark, I’m answering three questions. First up, what could be causing a reader’s peripheral neuropathy? Could it be gluten, B12 and/or B6 deficiency, diabetes, or inadequate vitamin D? The second question concerns homemade pasta, a beautiful woman, and a dilemma: do you indulge in the former to make the […]

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 […]

8 Jan

9 More Calorie Myths We Should All Stop Believing

Yesterday’s post introduced the major myths surrounding calories, weight loss, and human regulation of body weight, but there are some other serious misconceptions surrounding the topic that need clearing up. People can really get down on themselves when they listen to all the “experts”. They’ll weigh, measure, and count themselves into oblivion only to experience […]

7 Jan

7 Common Calorie Myths We Should All Stop Believing

Many people think weight loss is simply about cutting calories. They believe that to lose weight, you must reduce calories (either eat less or burn more), to gain weight you must add calories, and to maintain weight you keep calories constant. To these folks, calories in, calories out is the only thing that matters. They […]

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