A 19-year-old California woman has reached a settlement with TikTok just hours before the scheduled start of the trial in her suit alleging that the social media platform designed its algorithm to hook users,

A study of nearly 12,000 kids found that more social media use in early adolescence predicted higher depressive symptoms one year later. The study tracked children from ages 9–13 using data from the Adolescent Brain Cognitive Development Study.

Heavy use of smartphones, internet, and many social media platforms can have debilitating effects on our neural processing, cognitive performance, and behavior.

While social media has been widely linked to anxiety and depression in teenagers, new evidence suggests that platforms such as TikTok and Instagram can leave middle-aged adults feeling sad, too. The research, published Tuesday in the medical journal JAMA ...