This is really important: businesses banning teens who are not with a parent. We have to reverse this paranoid trend; we have to give teens -- and pre-teens -- places to go and ways to be useful.

At we are increasingly bringing in the perspectives of educators and therapists. Here, Helen Thai describes the "toxic feedback loop" that can develop between self-harm behavior and social media validation:

RT @thomaschattwill: This tweet aged well

RT @jflier: This approach to suddenly cutting @NIH grant indirect costs will cause chaos and harm biomedical research and researchers in ho…

My psychology colleague Ethan Kross just published his new book, SHIFT: Managing Your Emotions—So They Don’t Manage You. I think it's a very important book in our age of anxiety and outrage. Check it out:

@timothycbates Wow Timothy, this is great to hear. I'll contact you separately to ask for a copy of the paper

Going phone free is a great step, but then giving every kid an iPad or Chromebook means that they still face the pull of powerful distractions all day long. Is the personal tech really helping kids, overall?

RT @AdamMGrant: A reliable way to boost cognitive functioning: Go to the gym. 383 studies: Exercise improves attention, memory, and inform…

Dartmouth economist David Blanchflower has been documenting the recent decline in mental health among young people in most regions of the world -- and the loss of the old "u-shaped curve" of happiness with age. See his many recent papers here:

Thank you @SenTedCruz for all you are doing to restore a healthy childhood, including pressing social media companies to enforce their own age limits. "Kids need time to be kids." This issue is completely bipartisan.

Thank you @GovKathyHochul, for all you are doing to restore a healthy childhood, including phone-free schools. This issue is completely bipartisan.

RT @FreeRangeKids: 1/2🧵 TOTAL CONTROL OF CHILDHOOD Parents Mag's "Top Pick" for a kid's "1st Phone" lets parents "monitor all incoming &…

Congratulations to @chrislhayes for having #1 NYT bestseller, The Siren's Call. He was amazing on @ezraklein's podcast, giving an insider's view of the attention economy and its damaging effects on adults, and on journalism:

RT @HdxAcademy: Want to support HxA and add more viewpoint diversity to your life? That's why we launched inquisitive, an art and idea fil…

RT @StateofNation25: 📣 @nytimes coverage of the report! The U.S. Economy Is Racing Ahead. Almost Everything Else Is Falling Behind. https:/…

RT @Visuals4Parents: Something changed in 2012. Kids' mental health plummeted. The reason? Smartphones & social media. @JonHaidt was on…

Here's an interesting free online seminar applying evolutionary ideas to economics and business: From Friedman to Darwin. Featuring @David_S_Wilson and @RajSisodiaCC Register here:

If you want to improve your phone habits and reduce wasted time, good news! A revised edition of "How to Break Up With Your Phone" comes out today! @Catherine_Price explains: Buy it here:

Today at Nicholas Carr gives us a preview of his new great new book Superbloom. On how the quantity and efficiency of online communication can cut off the normal process by which relationships deepen into friendships. @roughtype

Here's a school in Northern Ireland that went phone free and, as usual, got great results, including support from the students. After a few weeks, they see how much more fun school becomes without phones.