June 07 2015

Weekend Link Love – Edition 351

By Mark Sisson
28 Comments

Weekend Link LoveBoulder, CO readers! June, 19, I’ll be at the Whole Foods on Pearl Street signing books and handing out Primal Kitchen™ Mayo samples. Come say hello, try a 30-minute CrossFit workout, and taste some delicious mayo.

Speaking of which, Primal Kitchen™ Mayo is now available in Whole Foods markets across the Pacific Northwest and Rocky Mountain regions and in New Seasons markets across the Pacific Northwest. If you haven’t tried it yet, go grab some in person!

Research of the Week

The composition of a child’s microbiome may affect his or her temperament.

The more HFCS-sweetened beverages a young adult drank, the more their cardiovascular risk factors worsened.

If you let ’em, chimps would cook. A series of studies shows that chimps prefer cooked to raw food, can gather and transport raw food in anticipation of cooking it, will relinquish control of raw food so that they can be cooked, and can conceptualize the transformation of raw foods into cooked ones.

Matched calorie for calorie with glucose, fructose produces greater weight gain, more inactivity, and increased body fat.

New Primal Blueprint Podcasts

Episode 70: Dr. David Perlmutter: Host Eli Rohde hangs out with Dr. David Perlmutter, author of NY Times bestseller Grain Brain and the just-released (and bestselling) Brain Maker: The Power of Gut Microbes to Heal and Protect Your Brain — For Life, to discuss just about everything there is to talk about the microbiome, including antibiotic usage, fecal transplants, probiotics, prebiotics, neurological health, diabetes, and even our emotional response. You don’t want to miss this one.

Each week, select Mark’s Daily Apple blog posts are prepared as Primal Blueprint Podcasts. Need to catch up on reading, but don’t have the time? Prefer to listen to articles while on the go? Check out the new blog post podcasts below, and subscribe to the Primal Blueprint Podcast here so you never miss an episode.

Also, be sure to check out and subscribe to the brand new Primal Endurance Podcast.

Weekly sweepstakes: Submit a review for The Primal Blueprint Podcast or The Primal Endurance Podcast on iTunes and submit this form for a chance to win a Primal prize package. One new winner is chosen every week!

Interesting Blog Posts

Holding your breath in India (might be necessary to grow up without impaired health).

Naive busybodies without ranching experience are accusing a smalltime pasture-based rancher from upstate New York of animal abuse.

Media, Schmedia

So not only is there an eye microbiome, but wearing contact lenses affects it.

One potential reason for the overabundance of overabundant adipose tissue is the overabundance of food.

Everything Else

British health experts now recommend that office workers stand for at least two hours a day.

How reversing type 2 diabetes might just require ignoring the official guidelines.

Scientists just discovered a previously unknown pathway directly connecting the brain to the immune system. The discovery could have major implications for conditions like autism, multiple sclerosis, and Alzheimer’s disease.

Melanoma rates have doubled over the past 30 years.

Previously assumed (by some) to become harmless, easily-excreted metabolites, consumed BPA may actually turn into a compound linked to increased body fat gain.

Do we have a paleo deficit disorder?

Recipe Corner

Time Capsule

One year ago (Jun 9 – Jun 15)

Comment of the Week

I like my wife’s tale, but I would never call her old.

Smart man!

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28 thoughts on “Weekend Link Love – Edition 351”

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  1. Does this mean that Whole Paycheck will be stocking PK Mayo at some point?

    (haven’t been to a Whole Foods in a while, but we do periodically get to cities that have them)

  2. Drat, no video on the chimp studies.I was hoping to see a chimp at the grill flipping burgers.

  3. I feel a serious disconnect with reality reading that Melanoma article.

    How can these things all be true: melanoma rates are doubled, 90% of melanomas are caused by UV exposure, people wear more sunscreen now than ever, and people spend more time inside than ever.

    How does that work?

    1. I think we need to look back 20 to 30 years to see where we were. There must be a lag in the exposure – melanoma experience.

      1. I honestly doubt it.

        My hypothesis is that people aren’t getting enough safe sun exposure anymore.

        1. There was a link awhile ago with studies showing people such as construction workers had lower rates of skin cancer that weekend warrior office workers who wore sunscreen or got too much exposure on their once yearly vacations. Oddly enough there cancers were in areas that saw little exposure such as the torso.

        2. I agree Jared. Skin cancers are more likely if your vitamin D level is low. The most important cause of skin cancer though is consumption of seed oils high in rancid omega 6.

      2. Can it be that the dietary changes of the past 25 years have affected sun tolerance? Low-fat, processed, everything from plastic packaging?

    2. And there must have been a whole lot of melanoma deaths for all those millions of years we evolved as hairless apes, right? before we learned that sunlight is evil and we should never, ever go outside without sunscreen or completely covering up. Also, I read an article a few years ago stating that the people who got the most sun exposure–think of an old wrinkled-face farmer or Native American–had the lowest rates of melanoma.

      1. I had also heard that. Mark, I would appreciate a post that addresses this, and the CDC’s insistence that the answer is more sunscreen and less time outside.

        1. I agree! Usually Mark has a few comments for sensationalist headlines like this – this read like he forgot a sentence with a link to the “other” side.

    3. Liz Wolfe points out in her book that modern chemical-based sunscreen does not do a good job of protecting from the worst forms of UV rays (UVA I believe). It protects from the burning rays (UVB), but without UVA protection, you’re still at risk for things like melanoma. The SPF labeling laws only require UVB protection labeling, so it is recommended that we look for “broad” or “full” spectrum UVA/UVB coverage in the sunscreen. Also, using zinc oxide over chemicals might be preferred.

    4. Everybody knows sunscreen causes cancer as does vitamin D deficiency.

      What kind of question was that? Rhetorical?

  4. Some good links, as always.

    Looking forward to reading about the impact of contact lenses on the eye microbiome. I’ve been thinking more and more about the potential adverse effects of using contact lenses lately so that article came at just the right time.

    1. Erik, in case you are dealing with having a hard time reading (although from your picture I think you may be too young), there is an app called GlassesOff! that retrains your brain to interpret the fuzzy type, so you see it more clearly. I’ve done it and staved off wearing glasses for a while, but then I got lazy and put my glasses on again, so I need to go back to that app and re-do the exercises. Bottom line is it actually worked for me until I reverted to glasses.

      Anyways I think it’s interesting that the app fixes the brain, which apparently has more plasticity than the eye. There might be a program to help with distance vision. (I dealt with my distance vision with Lasik–mostly because I was so lame with my contact lens cleaning routine that I thought I may go blind if I kept wearing them)

  5. Eirik, I wore contact lenses for a lot of years but gradually lost my tolerance for them. I live in a fairly dry climate and worked in a building where the air was kept very dry because of all the electronic equipment. In all those years I had only one minor infection, but my eyes became increasingly sensitive to having a piece of plastic in them. Eventually I opted to get rid of them and went back to wearing glasses. There are drawbacks, of course, but my eyes definitely feel healthier.

    BTW, I checked out your website. Lots of good info there.

  6. Bro, I dig your stuff… but who would want to eat mayo right after a 30 min Crossfit workout?

  7. Reading the article about the rancher… We’ve completely lost track as a society :-/. These diehard activists my generation seems to be spawning just completely confound me to no end.

    Everyone wants fresh food and meat on their table, but when they see pictures of people hunting, farming, or slaughtering and animal for food they want to start making death threats and advocating the person be locked away and throw away the key.

    I get it, I don’t agree with the abuse of animals by any means, we have to be respectful of these amazing creatures that give their life and their bodies to nourish us. The harsh reality is before you can eat a healthy animal, you have to slaughter it.

    I really think two things need to happen…. First, a greater respect for the hard working farmer. Second, an educational component (it absolutely boggles my mind at people complaining animals are living outside… sheesh).

    1. That article disturbed me. The family (kids included) getting death threats and being harassed constantly even after the vets gave their animals a clean bill of health?! Some people these days…

  8. Melanoma rates have doubled, but the CDC recommendations for sun protection and decreased sun exposure may only exacerbate the problem. As Mark has pointed out in the past, women who wear burkas are at a higher risk for skin cancer than other groups. We need sun!