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

Archive for the ‘ Sun Exposure ’ Category

29 Dec

Dear Mark: Sunglasses and Sunlamps

Dear Mark, We’re heading into the winter months (it’s chilly even here in Atlanta!) and the days are getting shorter. As “Lights out: sleep, sugar, survival” taught us, we’re wired to handle seasonal patterns of sunlight exposure. What are your thoughts on maintaining a tan year round? Would you be better off letting your tan […]

18 Oct

Don’t Let “D” Stand for Deficiency

Remember how we’re always going off about the importance of getting enough vitamin D in your life? How outdoor activity – and vitamin D producing sunlight – is important for any Primal Blueprinter? It seems some recent scientific research is again making this point for us.

4 Jun

Definitive Guide: The Primal Blueprint

Build the Healthiest Possible Body with the Primal Blueprint I get emails every day from people who are changing their lives for the better by following the guidelines I outline on this site. But many are looking for more of what the Primal Blueprint has to offer. That is to say, they want a comprehensive […]

31 May

Vitamin D and RDA for Children

It’s probably of little surprise that we take issue with some of the Recommended Daily Allowance values and how they’re often determined. Case in point: New research published in the Journal of Clinical Endocrinology and Metabolism suggests that the current children’s RDA for Vitamin D (200 IUs) does not sufficiently support the “bone growth and […]

4 Sep

Health News: Sun, Salt, Stents, and …Buckwheat

Here’s what we’re talking about this morning, gang. We want your two cents’ worth on: Sun Though you only need a few minutes’ exposure, here’s yet another compelling reason to get a little sunshine daily if you are able to take advantage of it. Vitamin D appears to help prevent both breast and colon cancer, […]

28 Nov

Sunscreen, Take 2

Update! Junior Apple Anna asks: “I saw your post about U.S. sunblock not preventing the bad kind of rays (UVA) but I have heard about L’Oreal coming out with something similar to what is available in Europe. Is this true?” Anna, yes. The FDA did recently approve OTC use of Anthelios SX (produced by L’Oreal). […]

27 Nov

Sunscreen Causes Osteoporosis, Part 2

Made you think twice, didn’t it? Many of us glom on the sunscreen in the hope of warding off the slightest wrinkle or, worse, skin cancer. And many of us diligently gulp down glass after glass of milk, convinced calcium will save our bones from the high rates of osteoporosis Westerners suffer from. Enter critical […]

27 Nov

Sunscreen May Not Be Your Friend

Let me be the first to say: I am pro-sunlight. I’m not talking about weather patterns, either. I’m talking about exposing yourself to some rays. I spend a fair amount of time outside soaking up the sun’s energy (of course, being careful not to burn). Although evidently most dermatologists believe we would be better off […]

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