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

Archive for the ‘ Dear Mark ’ Category

26 May

Dear Mark: Does Dietary Acid/Base Balance Matter?

For today’s Dear Mark, I’m covering just one topic: the relevance of acid/base balance to health. Anyone wading through the morass of Internet diet information has come across the idea than an excess of acidity derived from our diet overloads the body’s ability to balance it with alkalinity. A diverse group invokes it, including strict paleo dieters, […]

19 May

Dear Mark: Are My Vibram FiveFingers Dangerous?

Today, I’m answering one hot-topic question for this week’s Dear Mark. It concerns an issue that’s inspired several dozen emails from readers: the Vibram FiveFingers lawsuit and settlement. If you want to skip ahead to the take home point, it’s that I’m not getting rid of my Vibram FiveFingers anytime soon. Heck, I’m wearing a […]

5 May

Dear Mark: IBS and Gluten, Tweaking Calories for Fat Loss

For today’s edition of Dear Mark, we’ve got a short but sweet two-parter. First up is the connection between Irritable Bowel Syndrome, gluten, coffee, and alcohol. A reader with a history of IBS triggered by gluten, coffee, and alcohol wonders if giving up gluten really could have solved his intolerances of the other foods. Then, I […]

28 Apr

Dear Mark: Leg Fatigue, Too Much Muscle Meat, Starch Persorption, and Hadza Study Author Responds

For today’s edition of Dear Mark, we’ve got four questions. First is a question from a reader who exemplifies the “between a rock and a hard place” situation inherent to chronic cardio. Second, I address a reader who worries that I’m not worried enough about exclusive muscle meat consumption. Third, I give my thoughts on whether […]

21 Apr

Dear Mark: Why Hyperglycemia Is Bad and Those Stubborn Final Pounds

Today we’ve got a fairly short one with just two questions and answers. First, I tackle a big topic: the specific effects of hyperglycemia on the body. That hyperglycemia is bad for us is implicit, but it’s important to understand why it’s so dangerous. Today, I give a brief but detailed overview of the negative […]

14 Apr

Dear Mark: Vegetable Powders, Pro/Prebiotic Timing, RS Questions, and Routine Eating

For today’s edition of Dear Mark, we’ve got four questions and four answers. First, I explain the merits and drawbacks of vegetable powders in the event of low produce availability. Next, I discuss whether there’s a perfect time to take your probiotics and prebiotics, or whether it doesn’t matter at all. After that, I answer […]

7 Apr

Dear Mark: Liver for Babies, Flax Seed, and MCTs with Fruit

For today’s Dear Mark, I’ve got a three-parter. First I discuss the suitability and proper dosage of grass fed beef liver for babies and toddlers. It’s definitely a good choice, but you do have to keep a few parameters in mind to do it right and do it safely. Next, I discuss flax seed. Is […]

31 Mar

Dear Mark: Nausea After Fast Breaking, Thumbless Pushup Alternatives, Chewing, Sour Cherry Juice, Yacon Syrup, and Mid-Distance Running

For today’s Dear Mark, I’m answering a bunch of your questions rapid fire-style. First up, I discuss why a person might experience nausea after breaking a 24 hour fast with a meal. Second, I explore some pushup alternatives for a guy with terrible thumb arthritis. Third, I explain the importance of chewing for jaw development, […]

24 Mar

Dear Mark: Aloe Vera for Leaky Gut, One Meal a Day, and Glyphosate and Celiac Disease

For today’s edition of Dear Mark, we’ve got a three-parter. First I discuss the effect of aloe vera on gut function. Is there evidence that it’s a panacea for intestinal permeability, as so often is claimed? Next, I help an extremely active reader who’s considering switching to one meal a day to lose the last […]

17 Mar

Dear Mark: Bone Broth Nutrients and Alternatives to Agriculture

Today’s edition of Dear Mark is a two-parter. First, I dig a bit deeper into the nutrients found in bone broth. A reader’s come across some startling nutritional data that seems to call into question the legitimacy of our community’s collective love affair with hot bone water. Find out if we’ve been overselling the benefits. […]

10 Mar

Dear Mark: Is a High Protein Diet Really As Bad for You As Smoking?

It’s about that time, boys and girls. A new “protein kills” study has arrived to throw you into the pit of existential angst and self-doubt you recently managed to crawl out of from the last one. As you may know, I’ve just spent a week in Tulum, Mexico for PrimalCon (which was amazing, by the […]

3 Mar

Dear Mark: Palmitic Acid and Eating Speed

For today’s edition of Dear Mark, I’m discussing the seemingly evil qualities of palmitic acid, the preferred storage form of body fat in humans and many other mammals. Studies seem to indicate that pure palmitic acid has negative health effects, so should we be avoiding palmitic acid-containing foods like butter, meat, or palm oil? Then, […]

24 Feb

Dear Mark: Cruciferous Vegetables and Hypothyroidism, Sprint Frequency, Protein Sources for Orthodox Lent, and Saunas

For today’s edition of Dear Mark, I discuss the connection – if one even exists – between cruciferous vegetables (and their goitrogens) and thyroid function. A theoretical interaction exists, but should this impact your decision to eat steamed broccoli? Next, I explain why I recommend one, maybe two days of sprinting a week, in contrast […]

17 Feb

Dear Mark: Wheat Germ Agglutinin and Leptin, Early Allergen Introduction, Fasted Training, Green Bananas, and Sunchokes

For today’s edition of Dear Mark, we’ve got a five-parter. First, I discuss wheat germ agglutinin’s potential interaction with the leptin receptor. Next, I explore the prospect of introducing gluten and peanuts (among other potential allergens) to youngsters as a way to prevent allergies from developing. I also discuss whether fasted workouts are a sound […]

10 Feb

Dear Mark: Sprints and Blood Sugar, Resistant Starch as Carbs, PUFA in Coconut Oil, Cycling as Chronic Cardio, and Morning Sickness

For today’s edition of Dear Mark, I cover four questions and my wife Carrie covers one. First, I discuss the effects of sprinting on blood sugar in the short term and long term. Next is whether or not one counts resistant starch as a carb in their daily allotment. Third, I identify the actual proportion […]

3 Feb

Dear Mark: Milk Thistle and Estrogen, Low Libido, and Pollution Mitigation

For today’s edition of Dear Mark, we’ve got a three-parter. First, I cover the potentially estrogenic effects of milk thistle extract and discuss whether or not it’s a problem for your endocrine health that outweighs the benefits to liver health. Next, I discuss the reasons why someone might have a low libido eating a paleo […]

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 […]

20 Jan

Dear Mark: Salmon and Mercury, Fruit and Sugar, plus Seniors Gaining Muscle

For today’s edition of Dear Mark, I’ll be covering three topics. First, salmon and mercury. We’re often told to watch out for mercury in wild fish, but the story is actually more complicated than that. Learn how to tell if wild fish is safe to eat and whether wild salmon should be limited. Next, I […]

13 Jan

Dear Mark: Garcinia Cambogia, Ultra Pasteurization, Getting Better All the Time, and How Much Walking is Enough

For today’s edition of Dear Mark, I’ve got a four-parter for you. First, I address the popular new supplement being touted as a powerful fat-burner: garcinia cambogia. Does it measure up to the hype? Next, I discuss the effects of ultra pasteurization on the proteins, vitamins, and health effects of milk. Is ultra pasteurization a […]

6 Jan

Dear Mark: New Year’s Resolution Edition

For today’s Dear Mark, we’ve got a series of questions and answers related to the successful realization of your New Year’s resolutions. No matter what you’ve actually resolved to try to do, you’ll probably find something of interest in today’s post. First, I cover the eternal question everyone ponders when attempting a lifestyle overhaul: cold […]

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