Research of the Week
From the 1990s up until 2012, American adolescent psychological well-being was on the uptick. After 2012, it dropped, right around widespread teen adoption of smartphones . Further evidence shows a strong link between screen usage and unhappiness.
Heat speeds up recovery after training . Cold slows it.
Scientists have discovered where  ebola, HIV, and zika hide from scrutiny. Unfortunately, we can’t exactly get rid of the hiding place.
E-cigarettes might help adults stop smoking, but they may get teens to start .
Swat at mosquitoes, and they’ll learn to avoid you (you specifically ).
New Primal Blueprint Podcasts
Episode 213: Jeffrey Brownstein : Host Elle Russ chats with Jeffrey Brownstein, a life empowerment coach who’s helping people discover and create meaningful lives full of purpose.
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.
Interesting Blog Posts
Eat more meat .
China races ahead  in human gene editing.
Gary Taubes and Nina Teicholz disagree  with U.S. News’ diet rankings.
Did you know how all these foods  were grown?
The end of plastic  may be coming.
Some great science books for blowing your mind .
Things I’m Up to and Interested In
Article I found interesting: What’s college good for ?
A great profile of one of my favorite chefs: Francis Mallmann .
I’m bewildered, too: A doctor is befuddled  as to why hospitals insist on serving sugary shakes to patients.
Sometimes I feel the same way: Polish cow leaves captivity, joins wild bison herd .
Visualization I found striking: This one .
- Muffin-free sausage egg McMuffin . I would go to McDonald’s if they served this.
- I still prefer grilled shrimp dipped in melted butter, but garlic shrimp  is a close contender.
One year ago (Jan 28– Feb 3)
- 14 Primal Tips for Better Hiking  – Make the most of your precious time in nature.
- What’s Wrong with the “Best Diets”?  – This article works pretty much every year the list comes out.
Comment of the Week
“this would be good for my hsband”
– I’d argue that most advice on this website would be good for your husband, Debi J Olson .