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

Archive for the ‘ Dear Mark ’ Category

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? […]

1 Jun

Dear Mark: The Linoleic Acid Content of Phosphatidylserine, and Optimal Sleeping Position/Location

For today’s edition of Dear Mark, we’ve got a two-parter. First up, what’s the deal with phosphatidylserine, one of the (most crucial) ingredients in Primal Calm? It’s a derivative of linoleic acid-rich oil, so what’s it doing in one of my supplements? Find out if you need to worry about undue levels of linoleic acid […]

25 May

Dear Mark: Your Milk Questions Answered

For today’s Dear Mark, I’m responding to as many of the questions and concerns relayed in the comment section of last week’s raw milk post. You guys had a lot of them, ranging from whether raw milk can help with eczema and adult asthma, if homogenization is dangerous, why raw milk might taste and smell […]

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 […]

11 May

Dear Mark: High HbA1c with Low Blood Sugar; Muscle Glycogen: Is It Local?; and Ketogenic Mosquito Repellant

For today’s edition of Dear Mark, we’ve got a three-parter. First, what could possibly explain an ardent and otherwise healthy low-carber with stellar postprandial (i.e. after a meal) blood sugar levels showing up with an HbA1c reading indicative of pre-diabetes? Who’s messing up — the test or Nancy herself? Next, that pastured chicken you’re about […]

4 May

Dear Mark: How to Give a Baby Probiotics, and Pre- and Post-Meal Exercise

For today’s edition of Dear Mark, we’ve got a two-parter. First, in light of the recent paper showing that Lactobacillus rhamnosus probiotics given during the first six months of life protects against the development of conditions like ADHD and Asperger’s by age 13, how do you actually give the probiotics to a breastfed baby? It’s pretty […]

27 Apr

Dear Mark: Osteoporosis, Body Fat Gain on Caloric Deficit, and Stalling on Primal

For today’s edition of Dear Mark, we’ve got a three-parter. First, I try to help out Karson, a guy who’s trying to convince his osteoporotic, sun-starved mother to try a few lifestyle interventions that may improve her condition without coming off as smug. Hopefully I’m persuasive enough. Next, is it really possible to gain body fat […]

20 Apr

Dear Mark: Fish Oil Study, 1500 Calories, Breaking a Plateau, and Bulletproof Coffee vs IF

For today’s edition of Dear Mark, I’m answering four questions. First up is from Milad, who wonders about the recent research seeming to show that fish has little to no effect on heart disease. Is it right? Are we wasting money and enduring fish burps for nothing? Next, how low is too low? If a person’s […]

13 Apr

Dear Mark: Diet for Alzheimer’s, and the Role of Competitiveness in Modern Life

For today’s edition of Dear Mark, we’ve got just two questions, but they’re meaty ones. The first concerns a new study seeming to claim that all the foods we hold dear on the Primal eating plan — or at least a big portion of them — cause Alzheimer’s disease. Could it be true, or is the study, […]

6 Apr

Dear Mark: Moonlight and Melatonin, Exercise Non-Responders, and Is Weight Loss Impossible and Unhealthy?

For today’s edition of Dear Mark, we’ve got three questions and three answers. First, the full moon sure is pretty and big and bright at night, but can it produce (or reflect, rather) enough light to disrupt our melatonin production? Should we be blocking out moonlight, too? Next, do exercise non-responders exist? If not, what […]

30 Mar

Dear Mark: A New Whole Grain Study, Advice for a Teen, Broken Leg Sprints, and The 3 Mules

For today’s edition of Dear Mark, we’ve got four questions and four answers. First up, there’s a new whole grain study, and some people are claiming it demonstrates that low-carb diets will lead to early mortality. Does it do anything of the sort, or is this yet another flawed observational paper? Next, a teen on […]

23 Mar

Dear Mark: Preventing Age-Related Muscle Loss, Sprouted Barley-Fed Meat, and a Pistachio Downside

For today’s edition of Dear Mark, we’ve got three questions and three answers. First up is a question from Casey, whose father is losing strength and muscle despite maintaining an active lifestyle. What can he do — dietarily and otherwise — to staunch and reverse the losses? Next, Australian cattle farmers are increasingly turning to […]

16 Mar

Dear Mark: Vegetables on a Budget, Low Ozone Sun Exposure, Eating Breakfast, and PrimalCon 2015

For today’s edition of Dear Mark, we’ve got four questions. First up is from Chris, who wonders whether vegetables are worth buying on a limited food budget. He’s finding it difficult to justify spending money on low-calorie vegetation when fatty meats, avocados, coconut oil, and other calorie-dense foods are available. Is he right? Next, how […]

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