A TikTok Habit Is Hard to Break

Users of the app are panicking about the prospect of a ban. Experts who study social media addiction say it’s easy to see why. https://static01.nyt.com/images/2025/01/17/multimedia/17WELL-TIKTOK-BAN-ADDICTION-bhtp/17WELL-TIKTOK-BAN-ADDICTION-bhtp-mediumSquareAt3X.jpg