Research of the Week
Self-expanding activities increase sexual desire  in long-term couples.
New isotope analysis reveals  that Neanderthals were mostly carnivorous.
We have a 7th sense—the link between the brain and the immune system .
New Primal Blueprint Podcasts
Episode 313: Carrie Forrest : Host Elle Russ chats with Carrie Forrest, a thyroid cancer survivor and host of the Clean Eating for Women podcast.
Episode 314: Keto: Choosing Carbs Wisely (Especially for Kombucha and Chocolate) : Host Brad Kearns gives his take on the best carb sources to spend your glucose on.
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.
Don’t do this .
Remember the CRISPR babies from last year? Turns out that obscure gene the scientist deleted—CCR5, most notably involved in resistance to AIDS—also happens to affect cognitive function .
Interesting Blog Posts
I appeared on the Onnit Podcast with Kyle Kingsbury  to talk about my mission.
Belarusian man beats muscle-up world record  with 26 in a row.
American man unofficially beats  a world record by running 10 marathons in 10 days, averaging under 3 hours for each.
Another American man trounces them all , finishing the 2,181 mile-long Appalachian Trail in 45.5 days while carrying a 25 pound pack and completely supporting himself (no team following along with food and shelter). For a great film about the previous record holder, watch this .
I wonder if they still say  “namaste.”
Things I’m Up to and Interested In
Good advice for those who need it: How Jocko Willink recommends  you get yourself to get out of bed when you don’t feel like it.
Finding I found interesting: Psychology’s research replication crisis just got worse .
I’m totally unsurprised: High-fat diet (that’s actually also high-carb and also the fat comes from soybean oil) destroys microbial diversity  in the gut. “Move away from high-fat diets,” indeed.
A film project I’m supporting because it’s that important: Diana Rodger’s Sacred Cow , a film (actually, now a docuseries) about meat and environmental sustainability that promises to counter the overwhelming barrage of vegan anti-meat propaganda. We need this.
This is jarring: Gymnastics in the 1950s alongside gymnastics in 2016 . Bonus: Banned skills in gymnastics .
Question I’m Asking
What’s your mission?
- West Lake beef soup ? More like Best Lake beef soup.
- Keto Italian chicken cast iron skillet meal .
One year ago (Feb 17 – Feb 23)
- Restless Legs Syndrome: Causes, Factors, and Treatments  – What’s going on here?
- Does the Fasting Mimicking Diet Live Up to the Hype? – Well, does it?
Comment of the Week
“Increase ferritin with an iron man and an iron pan. That’s Mark’s iron plan.”
– Pretty catchy, Clank .