Experiment shows time alone heightens ‘threat alert’ in teenagers—even when using social media

Please complete security verification

This request seems a bit unusual, so we need to confirm that you’re human. Please press and hold the button until it turns completely green. Thank you for your cooperation!

If you believe this is an error, please contact our support team.

49.13.69.187 : 15b39cf7-c5da-4b49-b259-df5ceb27