I’ve been testing smartwatches, phones, and other devices for kids for five years. A longtime technology journalist, I am also the author of Wirecutter’s guide to the best smartwatches for ...

If your children are spending too much time on screens, it can cause emotional and behavioral problems and lead to more screen use, according to a new meta-analysis.

By age 2, most kids are spending about 2.5 hours a day using technology. Five- to 8-year-old children spend an average of about 3.5 hours a day looking at screens.