Children who own a smartphone before the age of 13 are more likely to experience poorer mental health and well-being in early adulthood, according to a global study of more than 100,000 young people ...

Owning a smartphone before age 13 is associated with poorer mental health and well-being in early adulthood, according to a global study of more than 100,000 young people.

The buzz about keeping phones out is justified," writes one reader. Another: "Teach students how to use electronic devices to ...

The survey collected insights on smartphone use, social media habits, cyberbullying, and more among 11- to 13-year-olds.