A new study suggests that parents should delay giving their children smartphones until age 13 to promote better mental and physical health. Discover how setting boundaries on technology can safeguard your child's well-being.

Parents could be warned against buying their children a smartphone until they reach secondary school under plans being drawn up by ministers.

A new study suggests that parents should delay giving their children smartphones until age 13 to promote better mental and physical health. Discover how setting boundaries on…