Meet Mark

Let me introduce myself. My name is Mark Sisson. I’m 63 years young. I live and work in Malibu, California. In a past life I was a professional marathoner and triathlete. Now my life goal is to help 100 million people get healthy. I started this blog in 2006 to empower people to take full responsibility for their own health and enjoyment of life by investigating, discussing, and critically rethinking everything we’ve assumed to be true about health and wellness...

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May 07, 2017

Weekend Link Love – Edition 451

By Mark Sisson

weekend_linklove in-lineRESEARCH OF THE WEEK

Sufferers of chronic fatigue syndrome are likely to have imbalanced gut bacteria.

CRISPR was just used to kill HIV in live animals.

The pill that increases endurance capacity (in mice).

We’re using too much sunscreen.

Marriage tanks testosterone.

College dorms are full of toxic flame retardants.

Cleaning out old cells can revive ailing joints.


pb-podcast-banner-142 Episode 167: Dr. Gary Foresman: Host Elle Russ chats with Dr. Foresman about a very controversial topic—vaccines. Buckle up.

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.


Great tips on boosting energy.

When to do a floating snatch deadlift.


Better take your cholesterol-busters!

Humans weren’t the only species to follow the Out-of-Africa model.

Scottish surfer survives 32 hours at sea.


Will these guys break the 2-hour mark?


“The discovery of a “functional food” role for CLA occurred over a decade ago when Pariza and coworkers found that ground beef contained an anticarcinogen factor that consisted of a series of conjugated dienoic isomers of linoleic acid.” (PDF)

Now this is a cool life hack.

Nature’s trying to kill you, edition 77.

Man brings in about 5 grand a month farming other people’s yards.

That’s not confusing at all.


Event you don’t want to miss: Chris Kresser is coming back to London for the Health Icons Lecture Series on July 8 and 9. One day is geared toward the lay public, the other toward health professionals.

Study result that disappointed me: Fecal transplant had no significant effect on IBS.

Article I’m loving: Lifestyle changes, not a magic pill, can reverse Alzheimer’s.

Important update: Remember Faye Geiss, the 87 year-old Primal powerhouse? She’s 90 now and still beating doctors’ expectations. Scroll down for the update.

More and more I’m convinced time is fluid and subjective (but no less real): The language we speak changes how we perceive time.



One year ago (May 7 – May 13)


I just ate some liver with some fava beans and a nice chianti…

– Sounds great, Barbarian. Beef, chicken, or…?

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8 Comments on "Weekend Link Love – Edition 451"


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4 months 13 days ago

SEXIST ALERT re marriage and testosterone: “But too much testosterone can also be harmful. It can make you aggressive …” “…Testosterone is associated with aggressive and confrontational behavior…” And the female doctor says men need to modify their behavior — lower testosterone — so they bond with their family… and there’s no need to get your testosterone back up. This is just more gynocentric testosterone-is-poison garbage.

His Dudeness
His Dudeness
4 months 11 days ago

When I made a conscious effort to increase my testosterone through lifestyle changes, it certainly made me feel more confident and assertive, but I wouldn’t call it aggressive or angry. In fact, my mood improved, generally, along with my energy.

4 months 13 days ago

No professionally trained musicians in the bat/echo study. Big opportunity missed.

4 months 13 days ago

Some interesting links as always Mark, thanks! I bookmarked a couple of them, going to read through the Boosting Energy article, positive reinforcement of these core concepts is always good.

4 months 13 days ago

Lower testosterone levels is just one of the many reasons I don’t want to get married.

John Wilder
4 months 13 days ago

Pretty sure that when the ADA said sugar was okay because bread was basically sugar that they lost the plot. (facepalm)

Pineapple Deficiency
4 months 12 days ago

Very interesting links was very surprised at the lower testosterone in married man

Jack Gear
2 months 19 hours ago

Very interesting links