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

Archive for the ‘ Dear Mark ’ Category

19 Oct

Dear Mark: Do Hunter-Gatherers Sleep Less Than We Thought?

For years, we’ve thought that hunter-gatherers slept like babies: long and hard. They’d drift off as the sun dropped, lingering around the ubiquitous campfire only for a short time, sleep a good 8-10 hours, and waking up at first light bright eyed for the next day. For today’s edition of Dear Mark, I’m examining a study […]

12 Oct

Dear Mark: Healing Broken Bones, and Blended Soups

For today’s edition of Dear Mark, I’m answer two questions. First, is there a way to speed up the healing process after a broken bone? What nutrients should we make sure to consume? Are there supplements we can take, foods we can eat, lifestyle modifications we can make? The next question comes from a reader […]

5 Oct

Dear Mark: Histamine Intolerance

For today’s edition of Dear Mark, I’m answering one question. But it’s a doozy: histamine intolerance and what to do about it. Now, this is a huge question. As you’ll read below, there are numerous causes, many overlapping. There’s no easy fix. There may not even be a hard fix. However, we can almost certainly improve […]

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 […]

21 Sep

Dear Mark: Natural Energy Boosters, Designer Fruit, and How to Be Okay

For today’s edition of Dear Mark, I’m answering three of your question, dear readers. First, are there any caffeine-free ways to boost energy during a (really) long workday? Absolutely (but caffeine still might help). Second, what’s the deal with cotton candy grapes, a new designer fruit? Is it just junk food on the vine, or can […]

14 Sep

Dear Mark: Pegan Dieting and Exercising in Air Pollution

For today’s edition of Dear Mark, I’m answering two questions. The first comes from Lucas, a man whose wife is unable to eat meat without feeling sick to her stomach. As a result, she’s interested in pursuing a Pegan way of eating, or “paleo-vegan.” Is it possible to be healthy while emphasizing plant foods and […]

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 […]

17 Aug

Dear Mark: Low-Fat Versus Low-Carb Study and Plain Ol’ Olive Oil

For today’s edition of Dear Mark, I’m answering two questions from readers. First, I field one of the dozens of emails I received concerning the latest low-carb versus low-fat study making the media rounds. The reports have ranged from declarations of low-carb dieting’s imminent death to more reasonable discussions of the actual paper. The Time article […]

10 Aug

Dear Mark: The Latest Forbes Organic Column, Low Sodium Senior Napping, and Weston A. Price

For today’s edition of Dear Mark, I’m answering three questions from readers. First up, a Forbes columnist recently penned an anti-organic agriculture screed. In it, he makes the oft-repeated claim that organic is just a scam and really no different from conventional produce. Is he saying anything new — or useful? Should we avoid the often […]

3 Aug

Dear Mark: Fasting Issues, Pullup Neck Pain, and Red Palm Oil

For today’s edition of Dear Mark, I’m answering three questions. The first one comes from Neda, who’s experiencing some issues that may be related to her fasting schedule. How should she modify her fasting? Or should she eliminate it altogether? The second question concerns a common issue: neck pain during pullups. Why does it happen […]

27 Jul

Dear Mark: Budgeting, Calcium, Supplements, High Cholesterol, and Chinup Replacements

For today’s edition of Dear Mark, I’m answering five questions, all coming from a single reader email. First, Rosa asks about buying high-quality produce and grass-fed meat for her family on a budget. Can it be done? If not, what should she do? Second, she wonders whether she’ll get enough calcium eating this way. It’s a […]

20 Jul

Dear Mark: Metformin for Life Extension, Too Many MEDs, MED for Lifting Addict, and Horseback Riding

For today’s edition of Dear Mark, I’m answering four questions. First, does the diabetes drug metformin have life-extending potential for non-diabetics? Then, the final three questions come from the comment board of last week’s Minimum Effective Dose post. First, is it possible to try to do too many minimum effective dose workouts in a week. […]

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 […]

6 Jul

Dear Mark: Exercising (and Eating) in the Heat; Post-Antibiotics Gut Health Support

For today’s edition of Dear Mark, I’m answering a pair of questions from you folks. First up, what with the crazy heat wave sweeping much of the planet, a reader writes in asking about the best way to eat and move in the heat. Should you cease all activity? Should you modify your normal movement patterns […]

29 Jun

Dear Mark: Vitamin D for Babes, Ingredient Bait and Switch, and Kettlebellin’ for Strength or Cardio?

For today’s edition of Dear Mark, we’ve got a three-parter. First up is a controversial topic: vitamin D supplements for breastfeeding babies. Do they need it? Can they get enough through mother’s milk? Or is there another, better method for ensuring optimal vitamin D levels in breastfeeding infants? Next, what’s my take on the ol’ […]

22 Jun

Dear Mark: Melatonin Supplementation, Overcoming Previous Poor Health, and Is HIIT Too Stressful for Women?

For today’s edition of Dear Mark, I’m answering three questions from readers. First up, what’s the deal, exactly, with melatonin supplementation? Is it harmful? Dangerous? Will it impair our body’s own production of melatonin? Second, a reader wonders whether his past poor health decisions are sabotaging his health today. Even if he’s feeling great now, shouldn’t […]

15 Jun

Dear Mark: Balancing Strength with Military Conditioning; Sitting in a Squat Position

For today’s edition of Dear Mark, I’m answering two questions from readers. First comes from William, an officer in the Navy who likes lifting heavy but also needs to score well on the physical fitness assessment, which involves a 1.5 mile run, pushups, and pullups. His taste for basic 5×5 strength work has left his running […]

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? […]

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