Mark's Daily Apple

Dear Mark: Pregnancy Diet Tips for Inquiring Minds

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It’s been a good long while since I opened up the proverbial mail bag. Maybe it’s resolutions for the New Year or the extra time off everyone’s had the last week or so, but my inbox has been working overtime with your questions and comments. They’ve run the gamut—questions about everything from herbal supplements to strength training tips to farm policy.

As always, thank you for your thoughts and questions—and, of course, for reading. I try to answer as many messages as I can, but know that the good folks in the forum community offer great perspectives as well.

This week’s round is for all the expectant moms (and dads) in the MDA community. However many of you fall into this category, I’ve received a string of inquiries lately from the expectant set. Congrats, and here you go!

Posted By: Mark Sisson

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Measuring Up: How to Calculate the Quality and Quantity of Antioxidant-Rich Foods

Alright students, you’ve made it through biology 101, mastered the life and times of antioxidants and free radicals (and perhaps learned a little about the latest hip hop rivalry), but now its time to talk math, or specifically, how to measure the value of antioxidant-rich foods.

One method of measuring antioxidant capacity is the Oxygen Radical Absorbance Capacity (ORAC). Developed by the Baltimore-based National Institute of Aging, the calculation specifically measures the oxidative degradation of fluorescein (the stuff that the hotties on C.S.I. spray to detect the presence of blood, though not in this case) as it reacts with an agent called peroxyl radical (a free radical). Seem easy enough? Nice try. The reaction between the antioxidant and the free radical is then measured at 35 minute intervals to create a graphic curve that is then used as the basis for trolox equivalents (TE), or, in non-geek terms, the measure of a compounds potential for absorbing free radicals.

Posted By: Worker Bee

6

Antioxidants: Fighting the Good Fight

While the body’s internal battle between antioxidants and free radicals certainly gets less press coverage than the Kanye vs 50 Cent feud, the war is vital for healthy living (although admittedly, it’s not yet clear how it influences the sale of Cristal!)

In the red corner are free radicals, or molecules with unpaired electrons. Like Renee Zellweger in Jerry Maguire, this little lady is an unstable molecule just looking for someone special—or, in this case, another electron—to complete her. So rather than signing up for an online dating service like all the other lonely 30-somethings, this molecule barges in on other molecules, altering their chemical structure and causing damage to otherwise healthy cells. These free radicals, which in our bodies most frequently appear in the form of oxygen, are a natural by-product of various cell activities, but can also be created through exposure to tobacco smoke, chemicals, UV radiation and other environmental factors.

Posted By: Worker Bee

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Glyconutrients: a Sweet Scam

There are essential fatty acids. There are essential amino acids. There are not essential sugars. We’ve received so many questions about glyconutrients, I feel it’s necessary to respond here at the blog.

For the record, “glyconutrients” are worse than bogus – they are a scam. This term was invented by a multi-level marketing company called Mannatech. (While MLM’s aren’t all bad, they can certainly be a red flag.) In this case, the entire concept of supplementing with “glyconutrients” – minute amounts of plain old simple sugars – is not only unscientific; it’s just silly. There is simply no compelling evidence to support the glyconutrient claim that the human body is somehow deficient in certain forms of sugar due to our modern lifestyle. Among the many dubious and weasel-worthy “explanations”, the central claim is that scientific discoveries in recent decades have shown that there are 8 types of sugar and that your cells – gasp – use these sugars. I’ve had burps that are more mind-blowing than this “science”.

Posted By: Mark Sisson

34

It’s Shiny, But It’s Still a Scam

I got a question last week from reader Barbara about colloidal silver supplements. For the record, this alternative health remedy is both ineffective and unsafe. It’s the latter that concerns me most, of course. A lot of the things we do for health are ineffective (homeopathy for starters; glandulars are another). Others are actually dangerous (the fat-free diet trend of the 90s that’s contributed to our metabolic syndrome epidemic). Colloidal silver supplements fall into the dangerous category.

Posted By: Mark Sisson

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